diff --git a/server.py b/server.py
index a9dcbc0..e84b2aa 100755
--- a/server.py
+++ b/server.py
@@ -274,7 +274,7 @@ class ServerList:
 		return server
 
 	def removeServer(self, server):
-		with lock:
+		with self.lock:
 			try:
 				self.list.remove(server)
 			except: