diff --git a/script/local.py b/script/local.py
index 2e04e91..0cf00d5 100755
--- a/script/local.py
+++ b/script/local.py
@@ -320,6 +320,7 @@ def kill_camtool():
 def _run_camtool():
     try:
         cmd = "source /opt/gfa/python\n"        
+        port = camtool.url[camtool.url.rfind(":")+1:]
         cmd = cmd + CAMTOOL_SERVER_SCRIPT + " -p " + port + " -b /afs/psi.ch/intranet/SF/Applications/config/camtool_n > /dev/null &"
         print exec_cmd(cmd)
     except: