diff --git a/cocos/renderer/CCMeshCommand.cpp b/cocos/renderer/CCMeshCommand.cpp
index 017801c980..5f938e448c 100644
--- a/cocos/renderer/CCMeshCommand.cpp
+++ b/cocos/renderer/CCMeshCommand.cpp
@@ -530,11 +530,6 @@ void MeshCommand::setLightUniformNames()
     }
 }
 
-void MeshCommand::setLightMask( unsigned short lightmask )
-{
-    _lightMask = lightmask;
-}
-
 #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_WP8)
 void MeshCommand::listenRendererRecreated(EventCustom* event)
 {
diff --git a/cocos/renderer/CCMeshCommand.h b/cocos/renderer/CCMeshCommand.h
index fc2ce40b98..800c89894e 100644
--- a/cocos/renderer/CCMeshCommand.h
+++ b/cocos/renderer/CCMeshCommand.h
@@ -62,7 +62,7 @@ public:
     
     void setMatrixPaletteSize(int size) { _matrixPaletteSize = size; }
 
-    void setLightMask(unsigned short lightmask);
+    void setLightMask(unsigned int lightmask) { _lightMask = lightmask; }
     
     void execute();
     
@@ -127,7 +127,7 @@ protected:
     // ModelView transform
     Mat4 _mv;
 
-    unsigned short _lightMask;
+    unsigned int _lightMask;
 
 #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_WP8)
     EventListenerCustom* _rendererRecreatedListener;