--- a/media/webrtc/signaling/src/media-conduit/WebrtcOMXH264VideoCodec.cpp
+++ b/media/webrtc/signaling/src/media-conduit/WebrtcOMXH264VideoCodec.cpp
@@ -252,18 +252,18 @@ class WebrtcOMXDecoder MOZ_FINAL : publi
 {
   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebrtcOMXDecoder)
 public:
   WebrtcOMXDecoder(const char* aMimeType,
                    webrtc::DecodedImageCallback* aCallback)
     : mWidth(0)
     , mHeight(0)
     , mStarted(false)
+    , mCallback(aCallback)
     , mDecodedFrameLock("WebRTC decoded frame lock")
-    , mCallback(aCallback)
     , mEnding(false)
   {
     // Create binder thread pool required by stagefright.
     android::ProcessState::self()->startThreadPool();
 
     mLooper = new ALooper;
     mLooper->start();
     CODEC_LOGD("WebrtcOMXH264VideoDecoder:%p creating decoder", this);