diff --git a/src/fake_video_capturer.h b/src/fake_video_capturer.h
index 3075525..4392eaf 100644
--- a/src/fake_video_capturer.h
+++ b/src/fake_video_capturer.h
@@ -35,10 +35,10 @@ struct FakeVideoCapturerConfig : sora::ScalableVideoTrackSourceConfig {
 };
 
 class FakeVideoCapturer : public sora::ScalableVideoTrackSource {
-  friend class rtc::RefCountedObject<FakeVideoCapturer>;
+  FakeVideoCapturer(FakeVideoCapturerConfig config);
+  friend class webrtc::RefCountedObject<FakeVideoCapturer>;
 
  public:
-  FakeVideoCapturer(FakeVideoCapturerConfig config);
   static rtc::scoped_refptr<FakeVideoCapturer> Create(
       FakeVideoCapturerConfig config) {
     return rtc::make_ref_counted<FakeVideoCapturer>(std::move(config));