From 2a6f31a84e31656a1a675fd558a8760e46ccbf40 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Tue, 18 Aug 2015 16:35:06 +0200
Subject: [PATCH] fix that LWIP_MULTICAST_TX_OPTIONS must be used in ip4_route
 instead of LWIP_IGMP

---
 src/core/ipv4/ip4.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/ipv4/ip4.c b/src/core/ipv4/ip4.c
index ea65ba7e..a1a120b6 100644
--- a/src/core/ipv4/ip4.c
+++ b/src/core/ipv4/ip4.c
@@ -134,12 +134,12 @@ ip4_route(const ip4_addr_t *dest)
   }
 #endif
 
-#if LWIP_IGMP
+#if LWIP_MULTICAST_TX_OPTIONS
   /* Use administratively selected interface for multicast by default */
   if (ip4_addr_ismulticast(dest) && ip4_default_multicast_netif) {
     return ip4_default_multicast_netif;
   }
-#endif /* LWIP_IGMP */
+#endif /* LWIP_MULTICAST_TX_OPTIONS */
 
   /* iterate through netifs */
   for (netif = netif_list; netif != NULL; netif = netif->next) {