diff --git a/src/heatmap.js b/src/heatmap.js
index 3471d217..1f1a095a 100644
--- a/src/heatmap.js
+++ b/src/heatmap.js
@@ -354,12 +354,13 @@
                 
         },
         resize: function () {
-                var element = this.get("element"),
-                    canvas = this.get("canvas"),
-                    acanvas = this.get("acanvas");
-                canvas.width = acanvas.width = element.style.width.replace(/px/, "") || this.getWidth(element);
+                var me = this,
+                    element = me.get("element"),
+                    canvas = me.get("canvas"),
+                    acanvas = me.get("acanvas");
+                canvas.width = acanvas.width = me.get("width") || element.style.width.replace(/px/, "") || me.getWidth(element);
                 this.set("width", canvas.width);
-                canvas.height = acanvas.height = element.style.height.replace(/px/, "") || this.getHeight(element);
+                canvas.height = acanvas.height = me.get("height") || element.style.height.replace(/px/, "") || me.getHeight(element);
                 this.set("height", canvas.height);
         },