diff --git a/web/src/api/Global.ts b/web/src/api/Global.ts
index 0a5135267..bbec287a5 100644
--- a/web/src/api/Global.ts
+++ b/web/src/api/Global.ts
@@ -6,9 +6,9 @@ export interface GlobalAuthentik {
 }
 
 export interface AuthentikWindow {
-    authentik: GlobalAuthentik;
+    authentik?: GlobalAuthentik;
 }
 
-export function globalAK(): GlobalAuthentik {
+export function globalAK(): GlobalAuthentik | undefined {
     return (window as unknown as AuthentikWindow).authentik;
 }
diff --git a/web/src/interfaces/locale.ts b/web/src/interfaces/locale.ts
index 500abd056..f9cb83ea3 100644
--- a/web/src/interfaces/locale.ts
+++ b/web/src/interfaces/locale.ts
@@ -125,7 +125,7 @@ export function autoDetectLanguage() {
     const detected =
         detect(
             () => {
-                return globalAK().locale;
+                return globalAK()?.locale;
             },
             fromUrl("locale"),
             fromNavigator(),