diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/Popup.c b/MdeModulePkg/Universal/DisplayEngineDxe/Popup.c
index 7c76f69447..0a832052ef 100644
--- a/MdeModulePkg/Universal/DisplayEngineDxe/Popup.c
+++ b/MdeModulePkg/Universal/DisplayEngineDxe/Popup.c
@@ -686,7 +686,7 @@ CreatePopup (
   }
 
   gMessageString = HiiGetString (HiiHandle, Message, NULL);
-  if((gMessageString == NULL)) {
+  if(gMessageString == NULL) {
     return EFI_INVALID_PARAMETER;
   }