diff --git a/BaseTools/Source/C/VfrCompile/VfrFormPkg.h b/BaseTools/Source/C/VfrCompile/VfrFormPkg.h
index 051df28768..3c7964ac42 100644
--- a/BaseTools/Source/C/VfrCompile/VfrFormPkg.h
+++ b/BaseTools/Source/C/VfrCompile/VfrFormPkg.h
@@ -307,6 +307,7 @@ private:
 public:
   CIfrOpHeader (IN UINT8 OpCode, IN VOID *StartAddr, IN UINT8 Length = 0);
   CIfrOpHeader (IN CIfrOpHeader &);
+  CIfrOpHeader& operator=(IN CONST CIfrOpHeader &);
 
   VOID IncLength (UINT8 Size) {
     if ((mHeader->Length + Size) > mHeader->Length) {
diff --git a/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp b/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
index 1afa5a2590..3ca57ed741 100644
--- a/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
+++ b/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
@@ -2390,6 +2390,22 @@ EFI_VARSTORE_INFO::EFI_VARSTORE_INFO (
   mVarTotalSize    = Info.mVarTotalSize;
 }
 
+EFI_VARSTORE_INFO&
+EFI_VARSTORE_INFO::operator= (
+  IN CONST EFI_VARSTORE_INFO &Info
+  )
+{
+  if (this != &Info) {
+    mVarStoreId      = Info.mVarStoreId;
+    mInfo.mVarName   = Info.mInfo.mVarName;
+    mInfo.mVarOffset = Info.mInfo.mVarOffset;
+    mVarType         = Info.mVarType;
+    mVarTotalSize    = Info.mVarTotalSize;
+  }
+
+  return *this;
+}
+
 BOOLEAN
 EFI_VARSTORE_INFO::operator == (
   IN EFI_VARSTORE_INFO  *Info
diff --git a/BaseTools/Source/C/VfrCompile/VfrUtilityLib.h b/BaseTools/Source/C/VfrCompile/VfrUtilityLib.h
index 35d17a031b..2e06e4f167 100644
--- a/BaseTools/Source/C/VfrCompile/VfrUtilityLib.h
+++ b/BaseTools/Source/C/VfrCompile/VfrUtilityLib.h
@@ -264,6 +264,7 @@ struct EFI_VARSTORE_INFO {
 
   EFI_VARSTORE_INFO (VOID);
   EFI_VARSTORE_INFO (IN EFI_VARSTORE_INFO &);
+  EFI_VARSTORE_INFO& operator=(IN CONST EFI_VARSTORE_INFO &);
   BOOLEAN operator == (IN EFI_VARSTORE_INFO *);
 };