diff --git a/frontend/src/pages/BotApiSettingsPage.tsx b/frontend/src/pages/BotApiSettingsPage.tsx
index 0d4109938..21fc54465 100644
--- a/frontend/src/pages/BotApiSettingsPage.tsx
+++ b/frontend/src/pages/BotApiSettingsPage.tsx
@@ -175,7 +175,7 @@ const BotApiSettingsPage: React.FC = () => {
         setErrorMessage(`origins${idx}`, t('input.validationError.required'));
         hasError = true;
       } else if (
-        !/^(https?:\/\/)?([a-zA-Z0-9\\-\\.*]+)(:(\d+))?$/.test(origin)
+        !/^(https?:\/\/)?([a-zA-Z0-9\-\.*]+)(:(\d+))?$/.test(origin)
       ) {
         setErrorMessage(
           `origins${idx}`,