diff --git a/src/core/renderers/webgl/filters/filterTransforms.js b/src/core/renderers/webgl/filters/filterTransforms.js
index e6c1a06..b2b49e0 100644
--- a/src/core/renderers/webgl/filters/filterTransforms.js
+++ b/src/core/renderers/webgl/filters/filterTransforms.js
@@ -24,7 +24,7 @@
 
 };
 
-var calculateNormalisedScreenSpaceMatrix = function (outputMatrix, filterArea, textureSize)
+var calculateNormalizedScreenSpaceMatrix = function (outputMatrix, filterArea, textureSize)
 {
     //var worldTransform = sprite.worldTransform.copy(math.Matrix.TEMP_MATRIX),
     var texture = {width:800, height:600};//sprite._texture.baseTexture;
@@ -102,6 +102,6 @@
 
 module.exports = {
     calculateScreenSpaceMatrix:calculateScreenSpaceMatrix,
-    calculateNormalisedScreenSpaceMatrix:calculateNormalisedScreenSpaceMatrix,
+    calculateNormalizedScreenSpaceMatrix:calculateNormalizedScreenSpaceMatrix,
     calculateSpriteMatrix:calculateSpriteMatrix
 };

diff --git a/src/core/renderers/webgl/filters/filterTransforms.js b/src/core/renderers/webgl/filters/filterTransforms.js
index e6c1a06..b2b49e0 100644
--- a/src/core/renderers/webgl/filters/filterTransforms.js
+++ b/src/core/renderers/webgl/filters/filterTransforms.js
@@ -24,7 +24,7 @@
 
 };
 
-var calculateNormalisedScreenSpaceMatrix = function (outputMatrix, filterArea, textureSize)
+var calculateNormalizedScreenSpaceMatrix = function (outputMatrix, filterArea, textureSize)
 {
     //var worldTransform = sprite.worldTransform.copy(math.Matrix.TEMP_MATRIX),
     var texture = {width:800, height:600};//sprite._texture.baseTexture;
@@ -102,6 +102,6 @@
 
 module.exports = {
     calculateScreenSpaceMatrix:calculateScreenSpaceMatrix,
-    calculateNormalisedScreenSpaceMatrix:calculateNormalisedScreenSpaceMatrix,
+    calculateNormalizedScreenSpaceMatrix:calculateNormalizedScreenSpaceMatrix,
     calculateSpriteMatrix:calculateSpriteMatrix
 };
diff --git a/src/core/renderers/webgl/managers/FilterManager.js b/src/core/renderers/webgl/managers/FilterManager.js
index cbf8323..7e0be12 100644
--- a/src/core/renderers/webgl/managers/FilterManager.js
+++ b/src/core/renderers/webgl/managers/FilterManager.js
@@ -321,13 +321,13 @@
     return filterTransforms.calculateScreenSpaceMatrix(outputMatrix,  currentState.sourceFrame, currentState.renderTarget.size);
 };
 
-FilterManager.prototype.calculateNormalisedScreenSpaceMatrix = function (outputMatrix)
+FilterManager.prototype.calculateNormalizedScreenSpaceMatrix = function (outputMatrix)
 {
     var currentState = this.filterData.stack[this.filterData.index];
 
 
 
-    return filterTransforms.calculateNormalisedScreenSpaceMatrix(outputMatrix, currentState.sourceFrame, currentState.renderTarget.size, currentState.destinationFrame);
+    return filterTransforms.calculateNormalizedScreenSpaceMatrix(outputMatrix, currentState.sourceFrame, currentState.renderTarget.size, currentState.destinationFrame);
 };
 
 // this will map the filter coord so that a texture can be used based on the transform of a sprite