diff --git a/MdeModulePkg/Library/SmmPerformanceLib/SmmPerformanceLib.c b/MdeModulePkg/Library/SmmPerformanceLib/SmmPerformanceLib.c
index 982d8ac43a..106155984a 100644
--- a/MdeModulePkg/Library/SmmPerformanceLib/SmmPerformanceLib.c
+++ b/MdeModulePkg/Library/SmmPerformanceLib/SmmPerformanceLib.c
@@ -266,6 +266,7 @@ GetPerformanceMeasurement (
   *StartTimeStamp = GaugeData->StartTimeStamp;
   *EndTimeStamp   = GaugeData->EndTimeStamp;
 
+  return LogEntryKey;
 }
 
 /**