diff --git a/newlib/libc/sys/rtems/include/sys/dirent.h b/newlib/libc/sys/rtems/include/sys/dirent.h
index 5a3a54dbf..47a0c8fe5 100644
--- a/newlib/libc/sys/rtems/include/sys/dirent.h
+++ b/newlib/libc/sys/rtems/include/sys/dirent.h
@@ -50,6 +50,10 @@ struct dirent {
 	char		d_name[NAME_MAX + 1];
 };
 
+#if __BSD_VISIBLE
+#define	MAXNAMLEN NAME_MAX
+#endif
+
 int scandir ( const char *dirname,
    struct dirent *** namelist,
    int (*select)(const struct dirent *),