diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index 9d89d39668..313674594c 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -3626,6 +3626,8 @@ InitNonVolatileVariableStore (
   UINT32                                HwErrStorageSize;
   UINT32                                MaxUserNvVariableSpaceSize;
   UINT32                                BoottimeReservedNvVariableSpaceSize;
+  EFI_STATUS                            Status;
+  VOID                                  *FtwProtocol;
 
   mVariableModuleGlobal->FvbInstance = NULL;
 
@@ -3648,30 +3650,36 @@ InitNonVolatileVariableStore (
   //
   CopyMem (NvStorageData, (UINT8 *) (UINTN) NvStorageBase, NvStorageSize);
 
+  Status = GetFtwProtocol ((VOID **)&FtwProtocol);
   //
-  // Check the FTW last write data hob.
+  // If FTW protocol has been installed, no need to check FTW last write data hob.
   //
-  GuidHob = GetFirstGuidHob (&gEdkiiFaultTolerantWriteGuid);
-  if (GuidHob != NULL) {
-    FtwLastWriteData = (FAULT_TOLERANT_WRITE_LAST_WRITE_DATA *) GET_GUID_HOB_DATA (GuidHob);
-    if (FtwLastWriteData->TargetAddress == NvStorageBase) {
-      DEBUG ((EFI_D_INFO, "Variable: NV storage is backed up in spare block: 0x%x\n", (UINTN) FtwLastWriteData->SpareAddress));
-      //
-      // Copy the backed up NV storage data to the memory buffer from spare block.
-      //
-      CopyMem (NvStorageData, (UINT8 *) (UINTN) (FtwLastWriteData->SpareAddress), NvStorageSize);
-    } else if ((FtwLastWriteData->TargetAddress > NvStorageBase) &&
-               (FtwLastWriteData->TargetAddress < (NvStorageBase + NvStorageSize))) {
-      //
-      // Flash NV storage from the Offset is backed up in spare block.
-      //
-      BackUpOffset = (UINT32) (FtwLastWriteData->TargetAddress - NvStorageBase);
-      BackUpSize = NvStorageSize - BackUpOffset;
-      DEBUG ((EFI_D_INFO, "Variable: High partial NV storage from offset: %x is backed up in spare block: 0x%x\n", BackUpOffset, (UINTN) FtwLastWriteData->SpareAddress));
-      //
-      // Copy the partial backed up NV storage data to the memory buffer from spare block.
-      //
-      CopyMem (NvStorageData + BackUpOffset, (UINT8 *) (UINTN) FtwLastWriteData->SpareAddress, BackUpSize);
+  if (EFI_ERROR (Status)) {
+    //
+    // Check the FTW last write data hob.
+    //
+    GuidHob = GetFirstGuidHob (&gEdkiiFaultTolerantWriteGuid);
+    if (GuidHob != NULL) {
+      FtwLastWriteData = (FAULT_TOLERANT_WRITE_LAST_WRITE_DATA *) GET_GUID_HOB_DATA (GuidHob);
+      if (FtwLastWriteData->TargetAddress == NvStorageBase) {
+        DEBUG ((EFI_D_INFO, "Variable: NV storage is backed up in spare block: 0x%x\n", (UINTN) FtwLastWriteData->SpareAddress));
+        //
+        // Copy the backed up NV storage data to the memory buffer from spare block.
+        //
+        CopyMem (NvStorageData, (UINT8 *) (UINTN) (FtwLastWriteData->SpareAddress), NvStorageSize);
+      } else if ((FtwLastWriteData->TargetAddress > NvStorageBase) &&
+                 (FtwLastWriteData->TargetAddress < (NvStorageBase + NvStorageSize))) {
+        //
+        // Flash NV storage from the Offset is backed up in spare block.
+        //
+        BackUpOffset = (UINT32) (FtwLastWriteData->TargetAddress - NvStorageBase);
+        BackUpSize = NvStorageSize - BackUpOffset;
+        DEBUG ((EFI_D_INFO, "Variable: High partial NV storage from offset: %x is backed up in spare block: 0x%x\n", BackUpOffset, (UINTN) FtwLastWriteData->SpareAddress));
+        //
+        // Copy the partial backed up NV storage data to the memory buffer from spare block.
+        //
+        CopyMem (NvStorageData + BackUpOffset, (UINT8 *) (UINTN) FtwLastWriteData->SpareAddress, BackUpSize);
+      }
     }
   }