diff --git a/core/include/common_macros.h b/core/include/common_macros.h
index b0d89e1..355248b 100644
--- a/core/include/common_macros.h
+++ b/core/include/common_macros.h
@@ -10,6 +10,8 @@
 #ifndef _COMMON_MACROS_H
 #define _COMMON_MACROS_H
 
+#include <sys/cdefs.h>
+
 #define UNUSED __attributed((unused))
 
 #ifndef BIT