diff --git a/Nt32Pkg/Library/DxeNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c b/Nt32Pkg/Library/DxeNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c
index 24f154ca15..f3d9efcaad 100644
--- a/Nt32Pkg/Library/DxeNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c
+++ b/Nt32Pkg/Library/DxeNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c
@@ -122,7 +122,7 @@ OemHookStatusCodeReport (
   UINT32          ErrorLevel;
   UINT32          LineNumber;
   UINTN           CharCount;
-  VA_LIST         Marker;
+  BASE_LIST       Marker;
 
   Buffer[0] = '\0';
 
@@ -158,7 +158,7 @@ OemHookStatusCodeReport (
     //
     // Print DEBUG() information into output buffer.
     //
-    CharCount = AsciiVSPrint (
+    CharCount = AsciiBSPrint (
                   Buffer,
                   EFI_STATUS_CODE_DATA_MAX_SIZE,
                   Format,
diff --git a/Nt32Pkg/Library/PeiNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c b/Nt32Pkg/Library/PeiNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c
index a7d68410ba..ff73c1c84a 100644
--- a/Nt32Pkg/Library/PeiNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c
+++ b/Nt32Pkg/Library/PeiNt32OemHookStatusCodeLib/Nt32OemHookStatusCodeLib.c
@@ -131,7 +131,7 @@ OemHookStatusCodeReport (
   UINT32          ErrorLevel;
   UINT32          LineNumber;
   UINTN           CharCount;
-  VA_LIST         Marker;
+  BASE_LIST       Marker;
 
   Buffer[0] = '\0';
 
@@ -167,7 +167,7 @@ OemHookStatusCodeReport (
     //
     // Print DEBUG() information into output buffer.
     //
-    CharCount = AsciiVSPrint (
+    CharCount = AsciiBSPrint (
                   Buffer,
                   EFI_STATUS_CODE_DATA_MAX_SIZE,
                   Format,