diff --git a/include/ziparchive/zip_archive.h b/include/ziparchive/zip_archive.h
index 5ef2ab0..3591a6b 100644
--- a/include/ziparchive/zip_archive.h
+++ b/include/ziparchive/zip_archive.h
@@ -22,6 +22,7 @@
 
 #include <stdint.h>
 #include <string.h>
+#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <utils/Compat.h>