diff --git a/core/vocabs/loader/test/a/a.factor b/core/vocabs/loader/test/a/a.factor
index 18ed045936..b1fa5aaed8 100644
--- a/core/vocabs/loader/test/a/a.factor
+++ b/core/vocabs/loader/test/a/a.factor
@@ -5,6 +5,6 @@ IN: vocabs.loader.test.a
 
 : v-l-t-a-hello ( -- a ) 4 ;
 
-: byebye v-l-t-a-hello ;
+: byebye ( -- a ) v-l-t-a-hello ;
 
 [ this is an error