diff --git a/src/clock.cpp b/src/clock.cpp
index 79522ad..0667c59 100644
--- a/src/clock.cpp
+++ b/src/clock.cpp
@@ -41,8 +41,10 @@
 #include <cmnintrin.h>
 #else
 #include <intrin.h>
-#if defined(_M_ARM) || defined(_M_ARM64)
+#if defined(_M_ARM)
 #include <arm_neon.h>
+#elif defined(_M_ARM64)
+#include <arm64_neon.h>
 #endif
 #endif
 #endif