diff --git a/headers/compatibility/bsd/histedit.h b/headers/compatibility/bsd/histedit.h
index c7415a0b24..89f3af7987 100644
--- a/headers/compatibility/bsd/histedit.h
+++ b/headers/compatibility/bsd/histedit.h
@@ -40,6 +40,7 @@
 #ifndef _HISTEDIT_H_
 #define	_HISTEDIT_H_
 
+#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <stdio.h>