diff --git a/sdk/objc/Framework/Classes/Metal/RTCMTLVideoView.m b/sdk/objc/Framework/Classes/Metal/RTCMTLVideoView.m
index 46e5f21fe2..bef3b6a829 100644
--- a/sdk/objc/Framework/Classes/Metal/RTCMTLVideoView.m
+++ b/sdk/objc/Framework/Classes/Metal/RTCMTLVideoView.m
@@ -157,8 +157,8 @@
 
 - (void)setSize:(CGSize)size {
   self.metalView.drawableSize = size;
-  _videoFrameSize = size;
   dispatch_async(dispatch_get_main_queue(), ^{
+    _videoFrameSize = size;
     [self.delegate videoView:self didChangeVideoSize:size];
   });
 }