diff --git a/src/renderer/canvas2d.js b/src/renderer/canvas2d.js
index 259c8d14..9cdcb3c3 100644
--- a/src/renderer/canvas2d.js
+++ b/src/renderer/canvas2d.js
@@ -112,7 +112,7 @@ var Canvas2dRenderer = (function Canvas2dRendererClosure() {
 
   Canvas2dRenderer.prototype = {
     renderPartial: function(data) {
-      if (data.data.length > 0) {
+      if (data.data.length > 0 || Object.keys(data.data).length>0) {
         this._drawAlpha(data);
         this._colorize();
       }
@@ -120,7 +120,7 @@ var Canvas2dRenderer = (function Canvas2dRendererClosure() {
     renderAll: function(data) {
       // reset render boundaries
       this._clear();
-      if (data.data.length > 0) {
+      if (data.data.length > 0 || Object.keys(data.data).length>0 ) {
         this._drawAlpha(_prepareData(data));
         this._colorize();
       }