diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c
index 5659ec9810..925d910ae2 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Edit/FileBuffer.c
@@ -2767,6 +2767,8 @@ FileBufferCutLine (
   UINTN           Row;
   UINTN           Col;
 
+  *CutLine      = NULL;
+
   if (FileBuffer.ReadOnly) {
     StatusBarSetStatusString (L"Read Only File Can Not Be Modified");
     return EFI_SUCCESS;