diff --git a/src/rust-layers b/src/rust-layers
index eb86bb090d6..ce1f192686d 160000
--- a/src/rust-layers
+++ b/src/rust-layers
@@ -1 +1 @@
-Subproject commit eb86bb090d6bbf5f543c75756b52ba42d1ec3ddf
+Subproject commit ce1f192686d0d4acebdcdc8280c9054826c81bf1
diff --git a/src/servo/gfx/render_layers.rs b/src/servo/gfx/render_layers.rs
index 1c979409f7d..6826308ff13 100644
--- a/src/servo/gfx/render_layers.rs
+++ b/src/servo/gfx/render_layers.rs
@@ -50,6 +50,8 @@ pub fn render_layers(layer: &RenderLayer,
             assert stride % 32 == 0;
             assert stride >= width;
 
+            debug!("tile stride %u", stride);
+
             let tile_rect = Rect(Point2D(x, y), Size2D(width, height));
 
             let buffer;
diff --git a/src/servo/platform/osmain.rs b/src/servo/platform/osmain.rs
index a16b8662b5a..8f6561a5317 100644
--- a/src/servo/platform/osmain.rs
+++ b/src/servo/platform/osmain.rs
@@ -103,15 +103,19 @@ fn mainloop(mode: Mode,
 
     let context = layers::rendergl::init_render_context();
 
-    let image_data = @layers::layers::BasicImageData::new(
-        Size2D(0u, 0u), 0, layers::layers::RGB24Format, ~[]);
-    let image = @layers::layers::Image::new(image_data as @layers::layers::ImageData);
-    let image_layer = @layers::layers::ImageLayer(image);
-    let original_layer_transform = image_layer.common.transform;
-    image_layer.common.set_transform(original_layer_transform.scale(&800.0f32, &600.0f32, &1f32));
-
     let root_layer = @layers::layers::ContainerLayer();
-    root_layer.add_child(layers::layers::ImageLayerKind(image_layer));
+    let original_layer_transform;
+    {
+        let image_data = @layers::layers::BasicImageData::new(
+            Size2D(0u, 0u), 0, layers::layers::RGB24Format, ~[]);
+        let image = @layers::layers::Image::new(image_data as @layers::layers::ImageData);
+        let image_layer = @layers::layers::ImageLayer(image);
+        original_layer_transform = image_layer.common.transform;
+        image_layer.common.set_transform(original_layer_transform.scale(&800.0f32, &600.0f32,
+                                                                        &1f32));
+        root_layer.add_child(layers::layers::ImageLayerKind(image_layer));
+    }
+
 
     let scene = @layers::scene::Scene(layers::layers::ContainerLayerKind(root_layer),
                                       Size2D(800.0f32, 600.0f32),