1 files changed, 3 insertions, 3 deletions
diff --git a/examples/objcnativeapi/objc/objc_call_client.h b/examples/objcnativeapi/objc/objc_call_client.h
index 90ac20ac01..b952402bc0 100644
--- a/examples/objcnativeapi/objc/objc_call_client.h
+++ b/examples/objcnativeapi/objc/objc_call_client.h
@@ -18,7 +18,7 @@
 
 #include "api/peer_connection_interface.h"
 #include "api/scoped_refptr.h"
-#include "rtc_base/critical_section.h"
+#include "rtc_base/synchronization/mutex.h"
 #include "rtc_base/thread_checker.h"
 
 @class RTC_OBJC_TYPE(RTCVideoCapturer);
@@ -50,7 +50,7 @@ class ObjCCallClient {
     void OnIceCandidate(const webrtc::IceCandidateInterface* candidate) override;
 
    private:
-    const ObjCCallClient* client_;
+    ObjCCallClient* const client_;
   };
 
   void CreatePeerConnectionFactory() RTC_RUN_ON(thread_checker_);
@@ -73,7 +73,7 @@ class ObjCCallClient {
   rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> video_source_
       RTC_GUARDED_BY(thread_checker_);
 
-  rtc::CriticalSection pc_mutex_;
+  webrtc::Mutex pc_mutex_;
   rtc::scoped_refptr<webrtc::PeerConnectionInterface> pc_ RTC_GUARDED_BY(pc_mutex_);
 };