diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c
index d36d93b..ab933eb 100644
--- a/src/vnet/classify/vnet_classify.c
+++ b/src/vnet/classify/vnet_classify.c
@@ -2314,7 +2314,7 @@
       else if (unformat (input, "dst_port %d", &dst_port))
 	;
       else
-	return 0;
+	break;
     }
 
   h.src_port = clib_host_to_net_u16 (src_port);