diff --git a/src/frontend/src/features/auth/utils/authUrl.ts b/src/frontend/src/features/auth/utils/authUrl.ts
index af8a78dc..cfadd97e 100644
--- a/src/frontend/src/features/auth/utils/authUrl.ts
+++ b/src/frontend/src/features/auth/utils/authUrl.ts
@@ -5,6 +5,6 @@ export const authUrl = ({
   returnTo = window.location.href,
 } = {}) => {
   return apiUrl(
-    `/authenticate?silent=${encodeURIComponent(silent)}&returnTo=${encodeURIComponent(returnTo)}`
+    `/authenticate/?silent=${encodeURIComponent(silent)}&returnTo=${encodeURIComponent(returnTo)}`
   )
 }