diff --git a/lib/krb5/plugin.c b/lib/krb5/plugin.c
index 027f2a72a..9118ade67 100644
--- a/lib/krb5/plugin.c
+++ b/lib/krb5/plugin.c
@@ -205,7 +205,9 @@ load_plugins(krb5_context context)
 	d = opendir(*di);
 	if (d == NULL)
 	    continue;
+#ifdef HAVE_DIRFD
 	rk_cloexec(dirfd(d));
+#endif
 
 	while ((entry = readdir(d)) != NULL) {
 	    char *n = entry->d_name;