Index: generic/nsf.c
===================================================================
diff -u -N -r37c87756387c17e0f2f43634c0d452a91f91c844 -r8591bd1707b8a2a8192cc49477440af7b7a57824
--- generic/nsf.c	(.../nsf.c)	(revision 37c87756387c17e0f2f43634c0d452a91f91c844)
+++ generic/nsf.c	(.../nsf.c)	(revision 8591bd1707b8a2a8192cc49477440af7b7a57824)
@@ -30229,7 +30229,8 @@
 #endif
 
   if (unlikely(RUNTIME_STATE(interp)->exitHandlerDestroyRound != NSF_EXITHANDLER_OFF)) {
-    fprintf(stderr, "### Can't create instance %s of class %s during interp shutdown.\n", ObjStr(specifiedNameObj), ClassName(cl));
+    fprintf(stderr, "### Can't create instance %s of class %s during interp shutdown.\n",
+            ObjStr(specifiedNameObj), ClassName_(cl));
     return TCL_OK; /* don't fail, if this happens during destroy, it might be canceled */
   }