diff --git a/MdeModulePkg/Universal/PCD/Dxe/Service.c b/MdeModulePkg/Universal/PCD/Dxe/Service.c
index 513402cad9..4bdb071a6e 100644
--- a/MdeModulePkg/Universal/PCD/Dxe/Service.c
+++ b/MdeModulePkg/Universal/PCD/Dxe/Service.c
@@ -501,6 +501,7 @@ BuildPcdDxeDataBase (
   ASSERT(mPcdDatabase.DxeDb != NULL);
   PcdDxeDbLen = mPcdDatabase.DxeDb->Length + mPcdDatabase.DxeDb->UninitDataBaseSize;
   PcdDxeDb = AllocateZeroPool (PcdDxeDbLen);
+  ASSERT (PcdDxeDb != NULL);
   CopyMem (PcdDxeDb, mPcdDatabase.DxeDb, mPcdDatabase.DxeDb->Length);
   FreePool (mPcdDatabase.DxeDb);
   mPcdDatabase.DxeDb = PcdDxeDb;