diff --git a/lib/canvas.js b/lib/canvas.js
index 26b3990..3502a64 100644
--- a/lib/canvas.js
+++ b/lib/canvas.js
@@ -145,13 +145,17 @@ Context2d.prototype.createRadialGradient = function(x0, y0, r0, x1, y1, r1){
  */
 
 Context2d.prototype.__defineSetter__('fillStyle', function(val){
-  var rgba = exports.parseColor(val) || [0,0,0,1];
-  this.lastFillStyle = rgba;
-  this.setFillRGBA(
-      rgba[0]
-    , rgba[1]
-    , rgba[2]
-    , rgba[3]);
+  if (val instanceof CanvasGradient) {
+    return this.setSource(val);
+  } else if ('string' == typeof val) {
+    var rgba = exports.parseColor(val) || [0,0,0,1];
+    this.lastFillStyle = rgba;
+    this.setFillRGBA(
+        rgba[0]
+      , rgba[1]
+      , rgba[2]
+      , rgba[3]);
+  }
 });
 
 /**