diff --git a/src/CanvasRenderingContext2d.cc b/src/CanvasRenderingContext2d.cc
index 18aee4c..7d57282 100644
--- a/src/CanvasRenderingContext2d.cc
+++ b/src/CanvasRenderingContext2d.cc
@@ -409,8 +409,6 @@ Context2d::PutImageData(const Arguments &args) {
     , sy = 0
     , dx = args[1]->NumberValue()
     , dy = args[2]->NumberValue()
-    , dw
-    , dh
     , rows
     , cols;
 
@@ -421,9 +419,9 @@ Context2d::PutImageData(const Arguments &args) {
       break;
     case 7:
       sx = args[3]->NumberValue();
-      sx = args[4]->NumberValue();
-      dw = args[5]->NumberValue();
-      dh = args[6]->NumberValue();
+      sy = args[4]->NumberValue();
+      cols = args[5]->NumberValue();
+      rows = args[6]->NumberValue();
       break;
     default:
       return ThrowException(Exception::Error(String::New("invalid arguments")));
diff --git a/test/public/tests.js b/test/public/tests.js
index 8a82524..dc86f43 100644
--- a/test/public/tests.js
+++ b/test/public/tests.js
@@ -1488,4 +1488,16 @@ tests['putImageData() 4'] = function(ctx){
   }
   var data = ctx.getImageData(0,0,50,50);
   ctx.putImageData(data,30,30,10,10,30,30);
+};
+
+tests['putImageData() 5'] = function(ctx){
+  for (i=0;i<6;i++){
+    for (j=0;j<6;j++){
+      ctx.fillStyle = 'rgb(' + Math.floor(255-42.5*i) + ',' + 
+                       Math.floor(255-42.5*j) + ',0)';
+      ctx.fillRect(j*25,i*25,25,25);
+    }
+  }
+  var data = ctx.getImageData(0,0,50,50);
+  ctx.putImageData(data,60,60,30,10,50,30);
 };
\ No newline at end of file