diff --git a/extra/benchmark/udp-echo0/udp-echo0.factor b/extra/benchmark/udp-echo0/udp-echo0.factor
index 72a876416b..df7755f61f 100644
--- a/extra/benchmark/udp-echo0/udp-echo0.factor
+++ b/extra/benchmark/udp-echo0/udp-echo0.factor
@@ -7,7 +7,7 @@ sequences ;
 IN: benchmark.udp-echo0
 
 : send/recv ( packet server client -- )
-    [ over over addr>> ] [ send ] bi* receive drop assert= ;
+    [ 2dup addr>> ] [ send ] bi* receive drop assert= ;
 
 : udp-echo ( #times #bytes -- )
     '[