diff --git a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
index 8a5e7d17c6..74a124c855 100644
--- a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
+++ b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
@@ -545,7 +545,7 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -557,11 +557,11 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
       
@@ -573,7 +573,7 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -585,11 +585,11 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1); 
       break;
 
@@ -602,12 +602,12 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);      
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -619,11 +619,11 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -635,15 +635,15 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -655,7 +655,7 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -667,7 +667,7 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -679,11 +679,11 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -695,15 +695,15 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -716,11 +716,11 @@ UserConfirm (
       FreePool (TmpStr1);
       
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -741,19 +741,19 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -765,11 +765,11 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -782,20 +782,20 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1); 
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -808,15 +808,15 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -829,12 +829,12 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -847,19 +847,19 @@ UserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
diff --git a/SecurityPkg/Library/DxeTrEEPhysicalPresenceLib/DxeTrEEPhysicalPresenceLib.c b/SecurityPkg/Library/DxeTrEEPhysicalPresenceLib/DxeTrEEPhysicalPresenceLib.c
index b2b22e518b..ea9a29c0f0 100644
--- a/SecurityPkg/Library/DxeTrEEPhysicalPresenceLib/DxeTrEEPhysicalPresenceLib.c
+++ b/SecurityPkg/Library/DxeTrEEPhysicalPresenceLib/DxeTrEEPhysicalPresenceLib.c
@@ -264,12 +264,12 @@ TrEEUserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = TrEEPhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);      
 
       TmpStr1 = TrEEPhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;
 
@@ -282,20 +282,20 @@ TrEEUserConfirm (
       FreePool (TmpStr1);
 
       TmpStr1 = TrEEPhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = TrEEPhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1); 
 
       TmpStr1 = TrEEPhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
 
       TmpStr1 = TrEEPhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);
+      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);
       FreePool (TmpStr1);
       break;