diff --git a/script/local.py b/script/local.py
index 0eb631a..c540bf2 100755
--- a/script/local.py
+++ b/script/local.py
@@ -315,7 +315,8 @@ def is_camtool_running():
 
 def kill_camtool():
     ret = exec_cmd("killall -9 " + CAMTOOL_SERVER_SCRIPT)
-    ret += exec_cmd('pkill -f " \-p ' + _get_camtool_port())
+    ret += exec_cmd('pkill -f " \-p ' + _get_camtool_port() + '"')
+    return ret
  
 def _run_camtool():
     try: