diff --git a/app/assets/javascripts/discourse/lib/url.js b/app/assets/javascripts/discourse/lib/url.js
index 1d3cb3315d0..eeac7345821 100644
--- a/app/assets/javascripts/discourse/lib/url.js
+++ b/app/assets/javascripts/discourse/lib/url.js
@@ -129,6 +129,7 @@ Discourse.URL = Em.Object.createWithMixins({
   **/
   isInternal: function(url) {
     if (url && url.length) {
+      if (url.indexOf('#') === 0) { return true; }
       if (url.indexOf('/') === 0) { return true; }
       if (url.indexOf(this.origin()) === 0) { return true; }
       if (url.replace(/^http/, 'https').indexOf(this.origin()) === 0) { return true; }