diff --git a/test/runner.html b/test/runner.html
index fcff2959..1d2ab779 100644
--- a/test/runner.html
+++ b/test/runner.html
@@ -150,6 +150,7 @@
     <script src="unit/plugins/Arrow-test.js"></script>
 
     <!-- filters -->
+    <script src="unit/filters/Filter-test.js"></script>
     <script src="unit/filters/Blur-test.js"></script>
     <script src="unit/filters/Brighten-test.js"></script>
     <script src="unit/filters/RGB-test.js"></script>
diff --git a/test/unit/filters/Filter-test.js b/test/unit/filters/Filter-test.js
new file mode 100644
index 00000000..c5087020
--- /dev/null
+++ b/test/unit/filters/Filter-test.js
@@ -0,0 +1,28 @@
+"use strict";
+
+suite.only('Filter', function() {
+
+    test('pixelRaio check', function () {
+        Konva.pixelRatio = 2;
+        var stage = addStage();
+        var layer = new Konva.Layer();
+
+        var circle = new Konva.Circle({
+            x : stage.width() / 2,
+            y : stage.height() / 2,
+            fill : 'red',
+            stroke: 'green',
+            radius : 15
+        });
+
+        layer.add(circle);
+        stage.add(layer);
+        circle.cache();
+        circle.filters([Konva.Filters.Blur ]);
+        circle.blurRadius(0);
+        layer.draw();
+
+        cloneAndCompareLayer(layer, 20);
+        Konva.pixelRatio = 1;
+    });
+});
\ No newline at end of file