diff --git a/app/assets/javascripts/discourse/controllers/quote_button_controller.js b/app/assets/javascripts/discourse/controllers/quote_button_controller.js
index 5662063b3c9..0df69c50683 100644
--- a/app/assets/javascripts/discourse/controllers/quote_button_controller.js
+++ b/app/assets/javascripts/discourse/controllers/quote_button_controller.js
@@ -38,7 +38,7 @@ Discourse.QuoteButtonController = Discourse.Controller.extend({
     var selection = window.getSelection();
 
     // no selections
-    if (selection.type !== "Range") return;
+    if (selection.rangeCount === 0) return;
 
     // retrieve the selected range
     var range = selection.getRangeAt(0),