diff --git a/include/grp.h b/include/grp.h
index cbb6215d8b51..ce698236393f 100644
--- a/include/grp.h
+++ b/include/grp.h
@@ -43,7 +43,7 @@
 #define	_GRP_H_
 
 #include <sys/cdefs.h>
-#include <machine/ansi.h>
+#include <sys/_types.h>
 
 #ifndef _POSIX_SOURCE
 #define	_PATH_GROUP		"/etc/group"