diff --git a/AUTHORS b/AUTHORS
index 4b387ed5d0..cb537cfcdc 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -51,6 +51,7 @@ Vladimir Beloborodov <VladimirTechMan@gmail.com>
 Vicken Simonian <vsimon@gmail.com>
 Victor Costan <costan@gmail.com>
 Xiaohong Xu <freemine@yeah.net>
+Hans Knoechel <hans@hans-knoechel.de>
 
 &yet LLC <*@andyet.com>
 Agora IO <*@agora.io>
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
index 973452707c..943ddc8685 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
@@ -9,6 +9,7 @@
  */
 
 #import <Foundation/Foundation.h>
+#import <AVFoundation/AVFoundation.h>
 
 #import <WebRTC/RTCMacros.h>
 #import <WebRTC/RTCVideoCapturer.h>