diff --git a/userfront/lib/core/services/auth_proxy_service.dart b/userfront/lib/core/services/auth_proxy_service.dart
index 92ca4a40..833cee12 100644
--- a/userfront/lib/core/services/auth_proxy_service.dart
+++ b/userfront/lib/core/services/auth_proxy_service.dart
@@ -238,12 +238,19 @@ class AuthProxyService {
     }
   }
 
-  static Future<Map<String, dynamic>> acceptConsent(String consentChallenge) async {
+  static Future<Map<String, dynamic>> acceptConsent(String consentChallenge, {List<String>? grantScope}) async {
     final url = Uri.parse('$_baseUrl/api/v1/auth/consent/accept');
+    final body = <String, dynamic>{
+      'consent_challenge': consentChallenge,
+    };
+    if (grantScope != null) {
+      body['grant_scope'] = grantScope;
+    }
+
     final response = await http.post(
       url,
       headers: {'Content-Type': 'application/json'},
-      body: jsonEncode({'consent_challenge': consentChallenge}),
+      body: jsonEncode(body),
     );
 
     if (response.statusCode == 200) {