diff --git a/gerrit_plugin.bucklet b/gerrit_plugin.bucklet
index 7da239e..9d79ae4 100644
--- a/gerrit_plugin.bucklet
+++ b/gerrit_plugin.bucklet
@@ -53,7 +53,7 @@
   '//lib/gwt:dev',
 ]
 
-__standalone_mode__ = True
+STANDALONE_MODE = True
 
 def gerrit_plugin(
     name,