diff --git a/src/renderer/webgl/Utils.js b/src/renderer/webgl/Utils.js
index 0c82875d3..b97a684b8 100644
--- a/src/renderer/webgl/Utils.js
+++ b/src/renderer/webgl/Utils.js
@@ -7,7 +7,7 @@ module.exports = {
         var ub = ((b * 255.0)|0) & 0xFF;
         var ua = ((a * 255.0)|0) & 0xFF;
 
-        return (ua << 24) | (ub << 16) | (ug << 8) | ur;
+        return ((ua << 24) | (ub << 16) | (ug << 8) | ur) >>> 0;
     },
 
     getTintAppendFloatAlpha: function (rgb, a)
@@ -17,7 +17,7 @@ module.exports = {
         var ub = (rgb|0) & 0xff;
         var ua = ((a * 255.0)|0) & 0xFF;
 
-        return (ua << 24) | (ub << 16) | (ug << 8) | ur;
+        return ((ua << 24) | (ub << 16) | (ug << 8) | ur) >>> 0;
     }
 
 };
\ No newline at end of file
diff --git a/src/renderer/webgl/pipelines/blitterbatch/BlitterBatch.js b/src/renderer/webgl/pipelines/blitterbatch/BlitterBatch.js
index 369604248..bdaf592ca 100644
--- a/src/renderer/webgl/pipelines/blitterbatch/BlitterBatch.js
+++ b/src/renderer/webgl/pipelines/blitterbatch/BlitterBatch.js
@@ -117,10 +117,10 @@ var BlitterBatch = new Class({
                 var uvs = frame.uvs;
                 var flipX = bob.flipX;
                 var flipY = bob.flipY;
-                var x = bob.x + frame.x - cameraScrollX + (width * (flipX ? 1.0 : 0.0));
-                var y = bob.y + frame.y - cameraScrollY + (height * (flipY ? 1.0 : 0.0));
                 var width = frame.width * (flipX ? -1.0 : 1.0); 
                 var height = frame.height * (flipY ? -1.0 : 1.0);
+                var x = bob.x + frame.x - cameraScrollX + (width * ((flipX) ? 1.0 : 0.0));
+                var y = bob.y + frame.y - cameraScrollY + (height * ((flipY) ? 1.0 : 0.0));
                 var xw = x + width;                
                 var yh = y + height;
                 var tx = x * a + y * c + e;