diff --git a/dom/media/ipc/VideoDecoderManagerParent.cpp b/dom/media/ipc/VideoDecoderManagerParent.cpp
index a111b5e53a..4ff9acf196 100644
--- a/dom/media/ipc/VideoDecoderManagerParent.cpp
+++ b/dom/media/ipc/VideoDecoderManagerParent.cpp
@@ -194,7 +194,7 @@ VideoDecoderManagerParent::RecvReadback(const SurfaceDescriptorGPUVideo& aSD, Su
   }
 
   RefPtr<SourceSurface> source = image->GetAsSourceSurface();
-  if (!image) {
+  if (!source) {
     *aResult = null_t();
     return true;
   }