diff --git a/QuarkPlatformPkg/Platform/SpiFvbServices/FwBlockService.c b/QuarkPlatformPkg/Platform/SpiFvbServices/FwBlockService.c
index dbb5512f38..0e7a7b79a1 100644
--- a/QuarkPlatformPkg/Platform/SpiFvbServices/FwBlockService.c
+++ b/QuarkPlatformPkg/Platform/SpiFvbServices/FwBlockService.c
@@ -1211,7 +1211,7 @@ Returns:
       break;
     }
 
-    NumOfLba = VA_ARG (args, UINT32);
+    NumOfLba = VA_ARG (args, UINTN);
 
     //
     // Check input parameters
@@ -1235,7 +1235,7 @@ Returns:
       break;
     }
 
-    NumOfLba = VA_ARG (args, UINT32);
+    NumOfLba = VA_ARG (args, UINTN);
 
     while (NumOfLba > 0) {
       Status = FvbEraseBlock (FvbDevice->Instance, StartingLba, mFvbModuleGlobal, EfiGoneVirtual ());