diff --git a/src/Doc.js b/src/Doc.js
index e8080868..51695513 100644
--- a/src/Doc.js
+++ b/src/Doc.js
@@ -6,13 +6,13 @@ Doc = Base.extend({
 			this.size = new Size(canvas.offsetWidth, canvas.offsetHeight);
 		}
 		this.activeLayer = new Layer();
-		this.children = this.activeLayer;
+		this.layers = [this.activeLayer];
 	},
 	redraw: function() {
 		if(this.canvas) {
 			this.ctx.clearRect(0, 0, this.size.width, this.size.height);
-			for(var i = 0, l = this.children.length; i < l; i++) {
-				this.children[i].draw(this.ctx);
+			for(var i = 0, l = this.layers.length; i < l; i++) {
+				this.layers[i].draw(this.ctx);
 			}
 		}
 	}