diff --git a/cocos2dx/support/TransformUtils.cpp b/cocos2dx/support/TransformUtils.cpp
index 3465e97b09..d64a63ffd1 100644
--- a/cocos2dx/support/TransformUtils.cpp
+++ b/cocos2dx/support/TransformUtils.cpp
@@ -28,7 +28,7 @@ THE SOFTWARE.
 
 namespace cocos2d {
 
-void CGAffineToGL(const AffineTransform *t, GLfloat *m)
+void CGAffineToGL(const AffineTransform& t, GLfloat *m)
 {
     // | m[0] m[4] m[8]  m[12] |     | m11 m21 m31 m41 |     | a c 0 tx |
     // | m[1] m[5] m[9]  m[13] |     | m12 m22 m32 m42 |     | b d 0 ty |
@@ -37,8 +37,8 @@ void CGAffineToGL(const AffineTransform *t, GLfloat *m)
     
     m[2] = m[3] = m[6] = m[7] = m[8] = m[9] = m[11] = m[14] = 0.0f;
     m[10] = m[15] = 1.0f;
-    m[0] = t->a; m[4] = t->c; m[12] = t->tx;
-    m[1] = t->b; m[5] = t->d; m[13] = t->ty;
+    m[0] = t.a; m[4] = t.c; m[12] = t.tx;
+    m[1] = t.b; m[5] = t.d; m[13] = t.ty;
 }
 
 void GLToCGAffine(const GLfloat *m, AffineTransform *t)
diff --git a/cocos2dx/support/TransformUtils.h b/cocos2dx/support/TransformUtils.h
index b10079343e..1684a66cb0 100644
--- a/cocos2dx/support/TransformUtils.h
+++ b/cocos2dx/support/TransformUtils.h
@@ -34,7 +34,7 @@ namespace   cocos2d {
 
 struct AffineTransform;
 
-void CGAffineToGL(const AffineTransform *t, GLfloat *m);
+void CGAffineToGL(const AffineTransform &t, GLfloat *m);
 void GLToCGAffine(const GLfloat *m, AffineTransform *t);
 }//namespace   cocos2d