diff --git a/EdkModulePkg/Universal/PCD/Pei/Service.c b/EdkModulePkg/Universal/PCD/Pei/Service.c
index 0574ae4042..01fe0151bf 100644
--- a/EdkModulePkg/Universal/PCD/Pei/Service.c
+++ b/EdkModulePkg/Universal/PCD/Pei/Service.c
@@ -326,7 +326,7 @@ SetWorker (
     case PCD_TYPE_STRING:
       StringTableIdx = *((UINT16 *)InternalData);
       CopyMem (&PeiPcdDb->Init.StringTable[StringTableIdx], Data, Size);
-      break;
+      return EFI_SUCCESS;
 
     case PCD_TYPE_DATA:
     {