diff --git a/usr.sbin/btxld/btxld.c b/usr.sbin/btxld/btxld.c
index 9e83beb6ad0d..f7a5e46bd0fc 100644
--- a/usr.sbin/btxld/btxld.c
+++ b/usr.sbin/btxld/btxld.c
@@ -29,7 +29,7 @@ static const char rcsid[] =
   "$FreeBSD$";
 #endif /* not lint */
 
-#include <sys/types.h>
+#include <sys/param.h>
 #include <sys/stat.h>
 #include <sys/mman.h>