diff --git a/server-fn.c b/server-fn.c
index fe5ed431..6d66a9f0 100644
--- a/server-fn.c
+++ b/server-fn.c
@@ -239,7 +239,7 @@ server_lock_client(struct client *c)
 	size_t			 cmdlen;
 	struct msg_lock_data	 lockdata;
 
-	if (!(c->flags & CLIENT_CONTROL))
+	if (c->flags & CLIENT_CONTROL)
 		return;
 
 	if (c->flags & CLIENT_SUSPENDED)