diff --git a/weave b/weave
index 2792064c..a5ee0746 100755
--- a/weave
+++ b/weave
@@ -1598,7 +1598,6 @@ launch_router() {
             --no-dns)
                 DNS_ROUTER_OPTS=
                 NO_DNS_OPT="--no-dns"
-                ARGS="$ARGS $1"
                 ;;
             --no-restart)
                 RESTART_POLICY=