diff --git a/gfx/layers/client/ContentClient.cpp b/gfx/layers/client/ContentClient.cpp
index 76c9bbcca3c2..5ee32881d7b1 100644
--- a/gfx/layers/client/ContentClient.cpp
+++ b/gfx/layers/client/ContentClient.cpp
@@ -835,7 +835,8 @@ ContentClientIncremental::BeginPaintBuffer(ThebesLayer* aLayer,
                    "BeginUpdate should always modify the draw region in the same way!");
       FillSurface(onBlack, result.mRegionToDraw, nsIntPoint(drawBounds.x, drawBounds.y), gfxRGBA(0.0, 0.0, 0.0, 1.0));
       FillSurface(onWhite, result.mRegionToDraw, nsIntPoint(drawBounds.x, drawBounds.y), gfxRGBA(1.0, 1.0, 1.0, 1.0));
-      if (RefPtr<DrawTarget> onBlackDT = gfxPlatform::GetPlatform()->CreateDrawTargetForUpdateSurface(onBlack, onBlack->GetSize())) {
+      if (gfxPlatform::GetPlatform()->SupportsAzureContent()) {
+        RefPtr<DrawTarget> onBlackDT = gfxPlatform::GetPlatform()->CreateDrawTargetForUpdateSurface(onBlack, onBlack->GetSize());
         RefPtr<DrawTarget> onWhiteDT = gfxPlatform::GetPlatform()->CreateDrawTargetForUpdateSurface(onWhite, onWhite->GetSize());
         RefPtr<DrawTarget> dt = Factory::CreateDualDrawTarget(onBlackDT, onWhiteDT);
         result.mContext = new gfxContext(dt);
@@ -861,7 +862,8 @@ ContentClientIncremental::BeginPaintBuffer(ThebesLayer* aLayer,
     }
   } else {
     nsRefPtr<gfxASurface> surf = GetUpdateSurface(BUFFER_BLACK, result.mRegionToDraw);
-    if (RefPtr<DrawTarget> dt = gfxPlatform::GetPlatform()->CreateDrawTargetForUpdateSurface(surf, surf->GetSize())) {
+    if (gfxPlatform::GetPlatform()->SupportsAzureContent()) {
+      RefPtr<DrawTarget> dt = gfxPlatform::GetPlatform()->CreateDrawTargetForUpdateSurface(surf, surf->GetSize());
       result.mContext = new gfxContext(dt);
     } else {
       result.mContext = new gfxContext(surf);