diff --git a/src/components/Dashboard/Modals/EditAppModal/EditAppModal.tsx b/src/components/Dashboard/Modals/EditAppModal/EditAppModal.tsx
index c447115d6..b8d19ae29 100644
--- a/src/components/Dashboard/Modals/EditAppModal/EditAppModal.tsx
+++ b/src/components/Dashboard/Modals/EditAppModal/EditAppModal.tsx
@@ -11,11 +11,12 @@ import {
   IconPlug,
 } from '@tabler/icons-react';
 import { useTranslation } from 'next-i18next';
+import { removeTrailingSlash } from 'next/dist/shared/lib/router/utils/remove-trailing-slash';
 import { useState } from 'react';
-
 import { useConfigContext } from '~/config/provider';
 import { useConfigStore } from '~/config/store';
 import { AppType } from '~/types/app';
+
 import { DebouncedImage } from '../../../IconSelector/DebouncedImage';
 import { useEditModeStore } from '../../Views/useEditModeStore';
 import { AppearanceTab } from './Tabs/AppereanceTab/AppereanceTab';
@@ -90,6 +91,9 @@ export const EditAppModal = ({
       return;
     }
 
+    values.url = removeTrailingSlash(values.url);
+    values.behaviour.externalUrl = removeTrailingSlash(values.behaviour.externalUrl);
+
     updateConfig(
       configName,
       (previousConfig) => ({