--- a/gfx/2d/DrawTargetTiled.h
+++ b/gfx/2d/DrawTargetTiled.h
@@ -37,16 +37,17 @@ class DrawTargetTiled : public DrawTarge
 {
 public:
   DrawTargetTiled();
 
   bool Init(const TileSet& mTiles);
 
   virtual bool IsTiledDrawTarget() const override { return true; }
 
+  virtual bool IsCaptureDT() const override { return mTiles[0].mDrawTarget->IsCaptureDT(); }
   virtual DrawTargetType GetType() const override { return mTiles[0].mDrawTarget->GetType(); }
   virtual BackendType GetBackendType() const override { return mTiles[0].mDrawTarget->GetBackendType(); }
   virtual already_AddRefed<SourceSurface> Snapshot() override;
   virtual void DetachAllSnapshots() override;
   virtual IntSize GetSize() override {
     MOZ_ASSERT(mRect.Width() > 0 && mRect.Height() > 0);
     return IntSize(mRect.XMost(), mRect.YMost());
   }