diff --git a/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoDecoderH264.mm b/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoDecoderH264.mm
index 2f4b6bd..e7ce739 100644
--- a/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoDecoderH264.mm
+++ b/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoDecoderH264.mm
@@ -236,7 +236,7 @@
     pixelFormat = nullptr;
   }
   VTDecompressionOutputCallbackRecord record = {
-      decompressionOutputCallback, nullptr,
+      decompressionOutputCallback, (__bridge void *)self,
   };
   OSStatus status = VTDecompressionSessionCreate(
       nullptr, _videoFormat, nullptr, attributes, &record, &_decompressionSession);