diff --git a/MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf b/MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf
index 099f83dd6a..b1041c290d 100644
--- a/MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf
+++ b/MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf
@@ -21,7 +21,7 @@
   FILE_GUID                      = 63E12D08-0C5D-47F8-95E4-09F89D7506C5
   MODULE_TYPE                    = DXE_RUNTIME_DRIVER
   VERSION_STRING                 = 1.0
-  LIBRARY_CLASS                  = VarCheckLib|DXE_RUNTIME_DRIVER DXE_SMM_DRIVER
+  LIBRARY_CLASS                  = VarCheckLib|DXE_RUNTIME_DRIVER DXE_SMM_DRIVER MM_STANDALONE
 
 #
 # The following information is for reference only and not required by the build tools.