diff --git a/mycroft/client/speech/main.py b/mycroft/client/speech/main.py
index c2f99e814e..32d1a3b869 100644
--- a/mycroft/client/speech/main.py
+++ b/mycroft/client/speech/main.py
@@ -141,7 +141,7 @@ def connect():
 def main():
     global ws
     global loop
-    lock = PIDLock( "voice" )
+    lock = PIDLock("voice")
     ws = WebsocketClient()
     tts.init(ws)
     ConfigurationManager.init(ws)
diff --git a/mycroft/messagebus/service/main.py b/mycroft/messagebus/service/main.py
index f5865b361d..77eafade79 100644
--- a/mycroft/messagebus/service/main.py
+++ b/mycroft/messagebus/service/main.py
@@ -33,7 +33,7 @@ settings = {
 
 def main():
     import tornado.options
-    lock = Lock( "service" )
+    lock = Lock("service")
     tornado.options.parse_command_line()
     config = ConfigurationManager.get().get("websocket")
 
diff --git a/mycroft/skills/main.py b/mycroft/skills/main.py
index 8b7950e8e4..1ed962e00a 100644
--- a/mycroft/skills/main.py
+++ b/mycroft/skills/main.py
@@ -147,7 +147,7 @@ def watch_skills():
 
 def main():
     global ws
-    lock = Lock( 'skills' )  # prevent multiply instances of this service
+    lock = Lock('skills')  # prevent multiply instances of this service
     ws = WebsocketClient()
     ConfigurationManager.init(ws)