diff --git a/src/components/main/compositing/compositor_layer.rs b/src/components/main/compositing/compositor_layer.rs
index b554e04ee75..8c9e5667ff8 100644
--- a/src/components/main/compositing/compositor_layer.rs
+++ b/src/components/main/compositing/compositor_layer.rs
@@ -65,7 +65,7 @@ pub struct CompositorLayer {
     /// differs in scroll behavior from its parent. Each is associated with a
     /// ContainerLayer which determines its position relative to its parent and
     /// clipping rect. Children are stored in the order in which they are drawn.
-    pub children: ~[CompositorLayerChild],
+    pub children: Vec<CompositorLayerChild>,
 
     /// This layer's quadtree. This is where all buffers are stored for this layer.
     pub quadtree: MaybeQuadtree,
@@ -170,7 +170,7 @@ impl CompositorLayer {
             bounds: bounds,
             page_size: page_size,
             scroll_offset: Point2D(0f32, 0f32),
-            children: ~[],
+            children: Vec::new(),
             quadtree: match page_size {
                 None => NoTree(tile_size, Some(MAX_TILE_MEMORY_PER_LAYER)),
                 Some(page_size) => {
@@ -203,7 +203,7 @@ impl CompositorLayer {
             bounds: Rect(Point2D(0f32, 0f32), page_size),
             page_size: Some(page_size),
             scroll_offset: Point2D(0f32, 0f32),
-            children: ~[],
+            children: Vec::new(),
             quadtree: NoTree(tile_size, Some(MAX_TILE_MEMORY_PER_LAYER)),
             root_layer: Rc::new(ContainerLayer()),
             hidden: false,
@@ -494,7 +494,7 @@ impl CompositorLayer {
             }) {
             Some(i) => {
                 debug!("compositor_layer: node found for set_clipping_rect()");
-                let child_node = &mut self.children[i];
+                let child_node = self.children.get_mut(i);
                 child_node.container.common.borrow_mut().set_transform(
                     identity().translate(new_rect.origin.x, new_rect.origin.y, 0.0));
                 let old_rect = child_node.container.scissor.borrow().clone();
@@ -649,7 +649,7 @@ impl CompositorLayer {
             }) {
             Some(i) => {
                 debug!("compositor_layer: layer found for resize_helper()");
-                let child_node = &mut self.children[i];
+                let child_node = self.children.get_mut(i);
                 let child = &mut child_node.child;
                 child.epoch = epoch;
                 child.page_size = Some(new_size);