diff --git a/cocos/math/MathUtil.h b/cocos/math/MathUtil.h
index acf6ab0b42..463130aa03 100644
--- a/cocos/math/MathUtil.h
+++ b/cocos/math/MathUtil.h
@@ -115,6 +115,10 @@ NS_CC_MATH_END
 
 #define MATRIX_SIZE ( sizeof(float) * 16)
 
+#ifdef __ARM_NEON__
+#define USE_NEON
+#endif
+
 #ifdef USE_NEON
 #include "MathUtilNeon.inl"
 #else