diff --git a/Contrib/Modern UI/System.nsh b/Contrib/Modern UI/System.nsh
index 55c00b59..48627fbf 100644
--- a/Contrib/Modern UI/System.nsh	
+++ b/Contrib/Modern UI/System.nsh	
@@ -1123,8 +1123,8 @@
 
   Pop ${MUI_TEMP1}
 
-  !ifdef MUI_CUSTOMFUNCTION_START
-    Call "${MUI_CUSTOMFUNCTION_START}"
+  !ifdef MUI_CUSTOMFUNCTION_STARTMENU
+    Call "${MUI_CUSTOMFUNCTION_STARTMENU}"
   !endif
 
   FunctionEnd