diff --git a/media/webrtc/signaling/src/mediapipeline/MediaPipeline.cpp b/media/webrtc/signaling/src/mediapipeline/MediaPipeline.cpp
index 25cf329efac..7c2f8fb9d60 100644
--- a/media/webrtc/signaling/src/mediapipeline/MediaPipeline.cpp
+++ b/media/webrtc/signaling/src/mediapipeline/MediaPipeline.cpp
@@ -595,6 +595,10 @@ void MediaPipelineTransmit::ProcessVideoChunk(VideoSessionConduit *conduit,
                                               VideoChunk& chunk) {
   // We now need to send the video frame to the other side
   layers::Image *img = chunk.mFrame.GetImage();
+  if (!img) {
+    // segment.AppendFrame() allows null images, which show up here as null
+    return;
+  }
 
   ImageFormat format = img->GetFormat();