diff --git a/app/assets/javascripts/discourse/pre-initializers/sniff-capabilities.js.es6 b/app/assets/javascripts/discourse/pre-initializers/sniff-capabilities.js.es6
index 593cdccf68..50bd993956 100644
--- a/app/assets/javascripts/discourse/pre-initializers/sniff-capabilities.js.es6
+++ b/app/assets/javascripts/discourse/pre-initializers/sniff-capabilities.js.es6
@@ -1,4 +1,4 @@
-/*global Modernizr:true*/
+/*global Modernizr:true safari:true*/
 
 // Initializes an object that lets us know about our capabilities.
 export default {