diff --git a/scp/ajax.php b/scp/ajax.php
index b40a6696da361f442555a7fc73a116f6c4988ecf..bc6c920bc76e6fc2b5c4f93c9b3b5e96d7224e75 100644
--- a/scp/ajax.php
+++ b/scp/ajax.php
@@ -74,7 +74,7 @@ $dispatcher = patterns('',
         url_get('^(?P<tid>\d+)/user$', 'viewUser'),
         url_post('^(?P<tid>\d+)/user$', 'updateUser'),
         url_get('^(?P<tid>\d+)/preview', 'previewTicket'),
-        url_post('^(?P<tid>\d+)/lock', 'acquireLock'),
+        url_post('^(?P<tid>\d+)/lock$', 'acquireLock'),
         url_post('^(?P<tid>\d+)/lock/(?P<id>\d+)/renew', 'renewLock'),
         url_post('^(?P<tid>\d+)/lock/(?P<id>\d+)/release', 'releaseLock'),
         url_get('^lookup', 'lookup'),