--- a/gfx/2d/DrawTargetD2D1.cpp
+++ b/gfx/2d/DrawTargetD2D1.cpp
@@ -83,17 +83,17 @@ already_AddRefed<SourceSurface>
 DrawTargetD2D1::Snapshot()
 {
   if (mSnapshot) {
     RefPtr<SourceSurface> snapshot(mSnapshot);
     return snapshot.forget();
   }
   PopAllClips();
 
-  mDC->Flush();
+  Flush();
 
   mSnapshot = new SourceSurfaceD2D1(mBitmap, mDC, mFormat, mSize, this);
 
   RefPtr<SourceSurface> snapshot(mSnapshot);
   return snapshot.forget();
 }
 
 // Command lists are kept around by device contexts until EndDraw is called,