1 files changed, 1 insertions, 0 deletions
diff --git a/lib/realtime.js b/lib/realtime.js
index cff795c7..618fdad0 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -1,3 +1,4 @@
+'use strict'
 // realtime
 // external modules
 var cookie = require('cookie')