diff --git a/templates/sentry.js b/templates/sentry.js
index 7b88e95..4b1c88f 100644
--- a/templates/sentry.js
+++ b/templates/sentry.js
@@ -1 +1,2 @@
-Raven.config('{{sentry_dsn}}').install()
+/*global Raven*/
+Raven.config('{{sentry_dsn}}').install();