diff --git a/.changes/jwt-video-grant-claim-names b/.changes/jwt-video-grant-claim-names
new file mode 100644
index 000000000..46781ddf9
--- /dev/null
+++ b/.changes/jwt-video-grant-claim-names
@@ -0,0 +1 @@
+patch type="fixed" "`LiveKitVideoGrant` now reads the camelCase keys of the `video` claim (`roomJoin`, `canPublish`, and so on), so `TokenSourceResponse.jwtPayload?.video` returns the grants of a real LiveKit token instead of null fields"
diff --git a/lib/src/token_source/jwt.dart b/lib/src/token_source/jwt.dart
index a2ef8b2ff..253b2527e 100644
--- a/lib/src/token_source/jwt.dart
+++ b/lib/src/token_source/jwt.dart
@@ -132,35 +132,18 @@ class LiveKitJwtPayload {
 /// LiveKit-specific video grants embedded within a JWT.
 @JsonSerializable()
 class LiveKitVideoGrant {
+  // Field names match the camelCase keys of the `video` claim that LiveKit
+  // server SDKs write, so they need no `@JsonKey` renames.
   final String? room;
-
-  @JsonKey(name: 'room_create')
   final bool? roomCreate;
-
-  @JsonKey(name: 'room_join')
   final bool? roomJoin;
-
-  @JsonKey(name: 'room_list')
   final bool? roomList;
-
-  @JsonKey(name: 'room_record')
   final bool? roomRecord;
-
-  @JsonKey(name: 'room_admin')
   final bool? roomAdmin;
-
-  @JsonKey(name: 'can_publish')
   final bool? canPublish;
-
-  @JsonKey(name: 'can_subscribe')
   final bool? canSubscribe;
-
-  @JsonKey(name: 'can_publish_data')
   final bool? canPublishData;
-
-  @JsonKey(name: 'can_publish_sources')
   final List<String>? canPublishSources;
-
   final bool? hidden;
   final bool? recorder;
 
diff --git a/lib/src/token_source/jwt.g.dart b/lib/src/token_source/jwt.g.dart
index 3935f78e6..0fb4054c1 100644
--- a/lib/src/token_source/jwt.g.dart
+++ b/lib/src/token_source/jwt.g.dart
@@ -8,30 +8,30 @@ part of 'jwt.dart';
 
 LiveKitVideoGrant _$LiveKitVideoGrantFromJson(Map<String, dynamic> json) => LiveKitVideoGrant(
   room: json['room'] as String?,
-  roomCreate: json['room_create'] as bool?,
-  roomJoin: json['room_join'] as bool?,
-  roomList: json['room_list'] as bool?,
-  roomRecord: json['room_record'] as bool?,
-  roomAdmin: json['room_admin'] as bool?,
-  canPublish: json['can_publish'] as bool?,
-  canSubscribe: json['can_subscribe'] as bool?,
-  canPublishData: json['can_publish_data'] as bool?,
-  canPublishSources: (json['can_publish_sources'] as List<dynamic>?)?.map((e) => e as String).toList(),
+  roomCreate: json['roomCreate'] as bool?,
+  roomJoin: json['roomJoin'] as bool?,
+  roomList: json['roomList'] as bool?,
+  roomRecord: json['roomRecord'] as bool?,
+  roomAdmin: json['roomAdmin'] as bool?,
+  canPublish: json['canPublish'] as bool?,
+  canSubscribe: json['canSubscribe'] as bool?,
+  canPublishData: json['canPublishData'] as bool?,
+  canPublishSources: (json['canPublishSources'] as List<dynamic>?)?.map((e) => e as String).toList(),
   hidden: json['hidden'] as bool?,
   recorder: json['recorder'] as bool?,
 );
 
 Map<String, dynamic> _$LiveKitVideoGrantToJson(LiveKitVideoGrant instance) => <String, dynamic>{
   'room': ?instance.room,
-  'room_create': ?instance.roomCreate,
-  'room_join': ?instance.roomJoin,
-  'room_list': ?instance.roomList,
-  'room_record': ?instance.roomRecord,
-  'room_admin': ?instance.roomAdmin,
-  'can_publish': ?instance.canPublish,
-  'can_subscribe': ?instance.canSubscribe,
-  'can_publish_data': ?instance.canPublishData,
-  'can_publish_sources': ?instance.canPublishSources,
+  'roomCreate': ?instance.roomCreate,
+  'roomJoin': ?instance.roomJoin,
+  'roomList': ?instance.roomList,
+  'roomRecord': ?instance.roomRecord,
+  'roomAdmin': ?instance.roomAdmin,
+  'canPublish': ?instance.canPublish,
+  'canSubscribe': ?instance.canSubscribe,
+  'canPublishData': ?instance.canPublishData,
+  'canPublishSources': ?instance.canPublishSources,
   'hidden': ?instance.hidden,
   'recorder': ?instance.recorder,
 };
diff --git a/test/token/token_source_test.dart b/test/token/token_source_test.dart
index 18b8ce2af..fe8cd2dfb 100644
--- a/test/token/token_source_test.dart
+++ b/test/token/token_source_test.dart
@@ -166,11 +166,12 @@ void main() {
         attributes: {'role': 'host'},
         video: {
           'room': 'demo-room',
-          'room_join': true,
-          'room_create': true,
-          'can_publish': true,
-          'can_publish_data': true,
-          'can_publish_sources': ['camera', 'screen'],
+          'roomJoin': true,
+          'roomCreate': true,
+          'canPublish': true,
+          'canSubscribe': false,
+          'canPublishData': true,
+          'canPublishSources': ['camera', 'screen'],
           'hidden': false,
           'recorder': true,
         },
@@ -205,6 +206,7 @@ void main() {
       expect(grant.roomJoin, isTrue);
       expect(grant.roomCreate, isTrue);
       expect(grant.canPublish, isTrue);
+      expect(grant.canSubscribe, isFalse);
       expect(grant.canPublishData, isTrue);
       expect(grant.canPublishSources, ['camera', 'screen']);
       expect(grant.hidden, isFalse);
@@ -509,7 +511,7 @@ String _generateToken({
         video ??
         {
           'room': 'test-room',
-          'room_join': true,
+          'roomJoin': true,
         },
   };