diff --git a/src/dmd/cppmanglewin.d b/src/dmd/cppmanglewin.d
index 67b3ab1138e4..62924dacff54 100644
--- a/src/dmd/cppmanglewin.d
+++ b/src/dmd/cppmanglewin.d
@@ -137,6 +137,8 @@ public:
     {
         if (checkImmutableShared(type))
             return;
+        if (checkTypeSaved(type))
+            return;
 
         buf.writestring("$$T");
         flags &= ~IS_NOT_TOP_TYPE;