diff --git a/utils/utils.h b/utils/utils.h
index 8beffc8f6caf1227c7fd569bc77621e6faae47a8..acb7d5dcb0956dceef9dc614d1ce903abd137104 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -10,6 +10,7 @@ typedef double rtime_t;
 typedef char * string_t;
 
 // SIMD alignment macros
+#define ALIGN_64 __attribute__((aligned(64)))
 #define ALIGN_32 __attribute__((aligned(32)))
 #define ALIGN_16 __attribute__((aligned(16)))