diff --git a/src/videoag/authentication/ViewPermissions.tsx b/src/videoag/authentication/ViewPermissions.tsx
index 6f50d711b34aac3884f1f0e2062af93f1f4f5dab..6fc1f0c2e42a36390ece0c6dbd594788bc6b7c81 100644
--- a/src/videoag/authentication/ViewPermissions.tsx
+++ b/src/videoag/authentication/ViewPermissions.tsx
@@ -160,7 +160,7 @@ function PasswordAuthComponent({ course, lecture }: { course: course; lecture: l
     );
 }
 
-const _OAUTH_FINISH_PERIODIC_CHECK_INTERVAL_SECONDS = 3;
+const _OAUTH_FINISH_PERIODIC_CHECK_INTERVAL_SECONDS = 5;
 const _OAUTH_FINISH_PERIODIC_CHECK_MAX_ATTEMPTS = Math.ceil(
     30 / _OAUTH_FINISH_PERIODIC_CHECK_INTERVAL_SECONDS,
 );