diff --git a/webrtc/examples/objc/AppRTCMobile/ARDAppClient.m b/webrtc/examples/objc/AppRTCMobile/ARDAppClient.m
index 7e9fbdac75..c699381842 100644
--- a/webrtc/examples/objc/AppRTCMobile/ARDAppClient.m
+++ b/webrtc/examples/objc/AppRTCMobile/ARDAppClient.m
@@ -304,6 +304,7 @@ static int const kKbpsMultiplier = 1000;
   [_factory stopAecDump];
   [_peerConnection stopRtcEventLog];
 #endif
+  [_peerConnection close];
   _peerConnection = nil;
   self.state = kARDAppClientStateDisconnected;
 #if defined(WEBRTC_IOS)