diff --git a/artiq/frontend/artiq_devtool.py b/artiq/frontend/artiq_devtool.py
index 16b53863a..823124033 100755
--- a/artiq/frontend/artiq_devtool.py
+++ b/artiq/frontend/artiq_devtool.py
@@ -149,7 +149,7 @@ def main():
                     local_stream.close()
                     remote_stream.close()
 
-            for port in (1380, 1381, 1382):
+            for port in (1380, 1381, 1382, 1383):
                 thread = threading.Thread(target=forwarder, args=(port,),
                                           name="port-{}".format(port), daemon=True)
                 thread.start()