--- a/dom/canvas/ImageBitmap.cpp
+++ b/dom/canvas/ImageBitmap.cpp
@@ -878,17 +878,17 @@ ImageBitmap::CreateInternal(nsIGlobalObj
                             const Maybe<IntRect>& aCropRect, ErrorResult& aRv)
 {
   if (!aImageBitmap.mData) {
     aRv.Throw(NS_ERROR_NOT_AVAILABLE);
     return nullptr;
   }
 
   RefPtr<layers::Image> data = aImageBitmap.mData;
-  RefPtr<ImageBitmap> ret = new ImageBitmap(aGlobal, data);
+  RefPtr<ImageBitmap> ret = new ImageBitmap(aGlobal, data, aImageBitmap.mIsPremultipliedAlpha);
 
   // Set the picture rectangle.
   if (ret && aCropRect.isSome()) {
     ret->SetPictureRect(aCropRect.ref(), aRv);
   }
 
   return ret.forget();
 }