Index: exec.c
==================================================================
--- exec.c
+++ exec.c
@@ -256,11 +256,11 @@
   Uint16 p=get_message_ptr(c,msg);
   Uint16*code;
   int stackptr=vstackptr;
   if(p==0xFFFF) {
     p=get_message_ptr(0,msg);
-    if(!p) return NVALUE(0);
+    if(p==0xFFFF) return NVALUE(0);
     code=classes[0]->codes;
   } else {
     code=classes[c]->codes;
   }
   msgvars=(MessageVars){msg,from,arg1,arg2,arg3};