diff --git a/lib/krb5/acl.c b/lib/krb5/acl.c
index 331232bdb..66fd80cea 100644
--- a/lib/krb5/acl.c
+++ b/lib/krb5/acl.c
@@ -257,7 +257,7 @@ krb5_acl_match_file(krb5_context context,
     f = fopen(file, "r");
     if(f == NULL) {
 	int save_errno = errno;
-	rk_rk_strerror_r(save_errno, buf, sizeof(buf));
+	rk_strerror_r(save_errno, buf, sizeof(buf));
 	krb5_set_error_message(context, save_errno,
 			       N_("open(%s): %s", "file, errno"),
 			       file, buf);