diff --git a/plugins/sys-opt/index.py b/plugins/sys-opt/index.py
index ab38dbbbd..b719fe5e0 100755
--- a/plugins/sys-opt/index.py
+++ b/plugins/sys-opt/index.py
@@ -17,7 +17,7 @@ def status():
 
 def start():
     public.execShell('sysctl -p')
-    return 'ok'
+    return "ok"
 
 
 def stop():