diff --git a/src/auth/auth.composable.js b/src/auth/auth.composable.js
index 5451790..0f4c08f 100644
--- a/src/auth/auth.composable.js
+++ b/src/auth/auth.composable.js
@@ -51,7 +51,7 @@ export function useAuth() {
       router.push("/access-denied");
       return;
     }
-    callback();
+    callback?.();
   }
 
   /** Fetch JWT, store it and use it for API client. */