diff --git a/tests/rhizomeprotocol b/tests/rhizomeprotocol
index 2ccea213..e3409f22 100755
--- a/tests/rhizomeprotocol
+++ b/tests/rhizomeprotocol
@@ -98,9 +98,7 @@ setup_DisablingHTTPServer() {
    start_servald_instances +A
 }
 test_DisablingHTTPServer() {
-   local _logvar=LOG${2#+}
-   local _port=$($SED -n -e '/RHIZOME HTTP SERVER.*START/s/.*port=\([0-9]\{1,\}\).*/\1/p' "${!_logvar}" | $SED -n '$p')
-   assert --message="instance $2 Rhizome HTTP server not started" [ ! -n "$_port" ]
+   !rhizome_http_server_started
 }
 
 doc_FileTransferBig="Big new bundle transfers to one node"