diff --git a/frontend/src/hooks/useAuth.ts b/frontend/src/hooks/useAuth.ts
index 0c194fb..87d926c 100644
--- a/frontend/src/hooks/useAuth.ts
+++ b/frontend/src/hooks/useAuth.ts
@@ -69,6 +69,7 @@ export function useAuth() {
         email,
         password,
         passwordConfirm: password,
+        newsletter: true,
       });
       // Auto-login after registration
       const result = await pb.collection('users').authWithPassword(email, password);
@@ -87,7 +88,10 @@ export function useAuth() {
     setLoading(true);
     setError(null);
     try {
-      const result = await pb.collection('users').authWithOAuth2({ provider });
+      const result = await pb.collection('users').authWithOAuth2({
+        provider,
+        createData: { newsletter: true },
+      });
       setUser(recordToUser(result.record));
       trackEvent('Login', { method: provider });
     } catch (err) {