diff --git a/MdeModulePkg/Core/PiSmmCore/Smi.c b/MdeModulePkg/Core/PiSmmCore/Smi.c
index a84a1f48d3c6..6b56fa5f6983 100644
--- a/MdeModulePkg/Core/PiSmmCore/Smi.c
+++ b/MdeModulePkg/Core/PiSmmCore/Smi.c
@@ -152,6 +152,7 @@ SmiManage (
 
   PERF_FUNCTION_BEGIN ();
   mSmiManageCallingDepth++;
+  WillReturn   = FALSE;
   Status       = EFI_NOT_FOUND;
   ReturnStatus = Status;
   if (HandlerType == NULL) {