diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index 795736b9b..9f9bb4a60 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -12768,7 +12768,7 @@
     },
     navigate: function(e) {
       var boardID, path, threadID, view;
-      if (this.hostname !== 'boards.4chan.org' || /rs\.4chan\.org/.test(window.location)) {
+      if (this.hostname !== 'boards.4chan.org' || window.location.hostname === 'rs.4chan.org') {
         return;
       }
       path = this.pathname.split('/');
diff --git a/builds/crx/script.js b/builds/crx/script.js
index 462d843fd..692c277b1 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -12745,7 +12745,7 @@
     },
     navigate: function(e) {
       var boardID, path, threadID, view;
-      if (this.hostname !== 'boards.4chan.org' || /rs\.4chan\.org/.test(window.location)) {
+      if (this.hostname !== 'boards.4chan.org' || window.location.hostname === 'rs.4chan.org') {
         return;
       }
       path = this.pathname.split('/');
diff --git a/src/General/Main.coffee b/src/General/Main.coffee
index ec5b2d17f..dc1994be5 100755
--- a/src/General/Main.coffee
+++ b/src/General/Main.coffee
@@ -357,7 +357,7 @@ Main =
     return
 
   navigate: (e) ->
-    return if @hostname isnt 'boards.4chan.org' or /rs\.4chan\.org/.test window.location
+    return if @hostname isnt 'boards.4chan.org' or window.location.hostname is 'rs.4chan.org'
 
     path = @pathname.split '/'
     path.shift() if path[0] is ''