diff --git a/tests/vnc_playback.html b/tests/vnc_playback.html
index b369078a..524bb9f2 100644
--- a/tests/vnc_playback.html
+++ b/tests/vnc_playback.html
@@ -12,7 +12,7 @@
             window.addEventListener("load", function() {
                 if (window._noVNC_has_module_support) return;
                 var loader = document.createElement("script");
-                loader.src = "vendor/browser-es-module-loader/dist/browser-es-module-loader.js";
+                loader.src = "../vendor/browser-es-module-loader/dist/browser-es-module-loader.js";
                 document.head.appendChild(loader);
             });
         </script>
diff --git a/utils/launch.sh b/utils/launch.sh
index 2007c858..ee2ca5ea 100755
--- a/utils/launch.sh
+++ b/utils/launch.sh
@@ -24,6 +24,8 @@ usage() {
     echo "                          Default: ./"
     echo "    --ssl-only            Disable non-https connections."
     echo "                                    "
+    echo "    --record FILE         Record traffic to FILE.session.js"
+    echo "                                    "
     exit 2
 }
 
@@ -36,6 +38,7 @@ CERT=""
 WEB=""
 proxy_pid=""
 SSLONLY=""
+RECORD_ARG=""
 
 die() {
     echo "$*"
@@ -63,6 +66,7 @@ while [ "$*" ]; do
     --cert)    CERT="${OPTARG}"; shift            ;;
     --web)     WEB="${OPTARG}"; shift            ;;
     --ssl-only) SSLONLY="--ssl-only"             ;;
+    --record) RECORD_ARG="--record ${OPTARG}"; shift ;;
     -h|--help) usage                              ;;
     -*) usage "Unknown chrooter option: ${param}" ;;
     *) break                                      ;;
@@ -145,7 +149,7 @@ fi
 
 echo "Starting webserver and WebSockets proxy on port ${PORT}"
 #${HERE}/websockify --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} &
-${WEBSOCKIFY} ${SSLONLY} --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} &
+${WEBSOCKIFY} ${SSLONLY} --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} ${RECORD_ARG} &
 proxy_pid="$!"
 sleep 1
 if ! ps -p ${proxy_pid} >/dev/null; then