diff --git a/csync2.c b/csync2.c
index 3b1cb6a..522c1ec 100644
--- a/csync2.c
+++ b/csync2.c
@@ -242,7 +242,7 @@ static int csync_server_bind(void)
 	int save_errno;
 	int sfd, s, on = 1;
 	memset(&hints, 0, sizeof(struct addrinfo));
-	hints.ai_family = AF_UNSPEC;	/* Allow IPv4 or IPv6 */
+	hints.ai_family = AF_INET;	/* Allow IPv4 only */
 	hints.ai_socktype = SOCK_STREAM;
 	hints.ai_flags = AI_PASSIVE;