diff --git a/frontend.html b/frontend.html
index 175bc56..08f6fe2 100644
--- a/frontend.html
+++ b/frontend.html
@@ -70,17 +70,17 @@
                 document.getElementById('prev-btn').click();
             } else if (e.code === 'ArrowRight') {
                 document.getElementById('next-btn').click();
-        } else if (e.code === 'Equal') {
+    } else if (e.code === 'Equal') {
                 var params = getRefreshParams();
-                if (params) window.location.href = `/${params.order}/${params.delay + 1}/${params.hash}`;
+                if (params) window.location.href = params.order + '/' + (params.delay + 1) + '/' + params.hash;
             } else if (e.code === 'Minus') {
                 var params = getRefreshParams();
-                if (params && params.delay > 1) window.location.href = `/${params.order}/${params.delay - 1}/${params.hash}`;
+                if (params && params.delay > 1) window.location.href = params.order + '/' + (params.delay - 1) + '/' + params.hash;
             } else if (e.key.toLowerCase() === 'o') {
                 var params = getRefreshParams();
                 if (params) {
                     var newOrder = params.order === 'next' ? 'random' : 'next';
-                    window.location.href = `/${newOrder}/${params.delay}/${params.hash}`;
+                    window.location.href = '/' + newOrder + '/' + params.delay + '/' + params.hash;
                 }
             }
         });