diff --git a/extra/delegate/delegate.factor b/extra/delegate/delegate.factor
index 8dc3e3720e..5614296305 100644
--- a/extra/delegate/delegate.factor
+++ b/extra/delegate/delegate.factor
@@ -65,8 +65,8 @@ PROTOCOL: prettyprint-section-protocol
 
 : define-mimic ( group mimicker mimicked -- )
     >r >r group-words r> r> [
-        pick "methods" word-prop at
-        [ method-def <method> spin define-method ] [ 3drop ] if*
+        pick "methods" word-prop at dup
+        [ method-def <method> spin define-method ] [ 3drop ] if
     ] 2curry each ; 
 
 : MIMIC: