diff --git a/www/js/zui3/zin.js b/www/js/zui3/zin.js
index 373051c2ec..920ac8eb88 100644
--- a/www/js/zui3/zin.js
+++ b/www/js/zui3/zin.js
@@ -1810,7 +1810,15 @@
             delete options.loadId;
         }
 
-        if(url && ((/^(https?|javascript):/.test(url) && !options.app) || url.startsWith('#'))) return;
+        if(url)
+        {
+            if(/^(https?|javascript):/.test(url) && !options.app) return;
+            if(url[0] === '#')
+            {
+                if(/firefox/i.test(navigator.userAgent)) e.preventDefault();
+                return;
+            }
+        }
         if(!url && $link.is('a') && !options.back && !options.load) return;
 
         if($modal.length)