diff --git a/src/vim9class.c b/src/vim9class.c
index bfa6149..a93cb29 100644
--- a/src/vim9class.c
+++ b/src/vim9class.c
@@ -2340,7 +2340,8 @@
 	}
 
 	if (did_emsg == did_emsg_save)
-	    member_not_found_msg(cl, is_object, name, len);
+	    member_not_found_msg(cl, is_object ? VAR_OBJECT : VAR_CLASS, name,
+									len);
     }
 
     return FAIL;