diff --git a/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp b/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp
index 1df696cb3..01fa754d1 100644
--- a/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp
+++ b/spine-cocos2dx/src/spine/CCSkeletonAnimation.cpp
@@ -42,7 +42,7 @@ using std::vector;
 
 namespace spine {
 
-extern "C" static void callback (AnimationState* state, int trackIndex, EventType type, Event* event, int loopCount) {
+static void callback (AnimationState* state, int trackIndex, EventType type, Event* event, int loopCount) {
 	((CCSkeletonAnimation*)state->context)->onAnimationStateEvent(trackIndex, type, event, loopCount);
 }