diff --git a/usr.sbin/iscsid/iscsid.c b/usr.sbin/iscsid/iscsid.c
index 72828ef572b6..5be7a44ce58e 100644
--- a/usr.sbin/iscsid/iscsid.c
+++ b/usr.sbin/iscsid/iscsid.c
@@ -290,7 +290,9 @@ void
 fail(const struct connection *conn, const char *reason)
 {
 	struct iscsi_daemon_fail idf;
-	int error;
+	int error, saved_errno;
+
+	saved_errno = errno;
 
 	memset(&idf, 0, sizeof(idf));
 	idf.idf_session_id = conn->conn_session_id;
@@ -299,6 +301,8 @@ fail(const struct connection *conn, const char *reason)
 	error = ioctl(conn->conn_iscsi_fd, ISCSIDFAIL, &idf);
 	if (error != 0)
 		log_err(1, "ISCSIDFAIL");
+
+	errno = saved_errno;
 }
 
 /*