diff --git a/src/core/Shader.js b/src/core/Shader.js
index 1fa984d..11857e6 100644
--- a/src/core/Shader.js
+++ b/src/core/Shader.js
@@ -25,9 +25,10 @@
  * @param gl {WebGLRenderingContext} The current WebGL rendering context
  * @param vertexSrc {string|string[]} The vertex shader source as an array of strings.
  * @param fragmentSrc {string|string[]} The fragment shader source as an array of strings.
+ * @param attributeLocations {Object} An attribute location map that lets you manually set the attribute locations.
  */
-var Shader = function(gl, vertexSrc, fragmentSrc) {
-    GLShader.call(this, gl, checkPrecision(vertexSrc), checkPrecision(fragmentSrc));
+var Shader = function(gl, vertexSrc, fragmentSrc, attributeLocations) {
+    GLShader.call(this, gl, checkPrecision(vertexSrc), checkPrecision(fragmentSrc), attributeLocations);
 };
 
 Shader.prototype = Object.create(GLShader.prototype);

diff --git a/src/core/Shader.js b/src/core/Shader.js
index 1fa984d..11857e6 100644
--- a/src/core/Shader.js
+++ b/src/core/Shader.js
@@ -25,9 +25,10 @@
  * @param gl {WebGLRenderingContext} The current WebGL rendering context
  * @param vertexSrc {string|string[]} The vertex shader source as an array of strings.
  * @param fragmentSrc {string|string[]} The fragment shader source as an array of strings.
+ * @param attributeLocations {Object} An attribute location map that lets you manually set the attribute locations.
  */
-var Shader = function(gl, vertexSrc, fragmentSrc) {
-    GLShader.call(this, gl, checkPrecision(vertexSrc), checkPrecision(fragmentSrc));
+var Shader = function(gl, vertexSrc, fragmentSrc, attributeLocations) {
+    GLShader.call(this, gl, checkPrecision(vertexSrc), checkPrecision(fragmentSrc), attributeLocations);
 };
 
 Shader.prototype = Object.create(GLShader.prototype);
diff --git a/src/core/sprites/webgl/generateMultiTextureShader.js b/src/core/sprites/webgl/generateMultiTextureShader.js
index 38b06e2..4186bb3 100644
--- a/src/core/sprites/webgl/generateMultiTextureShader.js
+++ b/src/core/sprites/webgl/generateMultiTextureShader.js
@@ -23,7 +23,7 @@
     fragmentSrc = fragmentSrc.replace(/%count%/gi, maxTextures);
     fragmentSrc = fragmentSrc.replace(/%forloop%/gi, generateSampleSrc(maxTextures));
 
-    var shader = new Shader(gl, vertexSrc, fragmentSrc);
+    var shader = new Shader(gl, vertexSrc, fragmentSrc, {aVertexPosition:3, aColor:2, aTextureCoord:1, aTextureId:0});
 
     var sampleValues = [];
     for (var i = 0; i < maxTextures; i++)