diff --git a/core/net/ipv6/uip-ds6.c b/core/net/ipv6/uip-ds6.c
index 3594f46e1..c5c169afe 100644
--- a/core/net/ipv6/uip-ds6.c
+++ b/core/net/ipv6/uip-ds6.c
@@ -512,6 +512,10 @@ uip_ds6_select_src(uip_ipaddr_t *src, uip_ipaddr_t *dst)
         }
       }
     }
+#if UIP_IPV6_MULTICAST
+  } else if(uip_is_addr_mcast_routable(dst)) {
+    matchaddr = uip_ds6_get_global(ADDR_PREFERRED);
+#endif
   } else {
     matchaddr = uip_ds6_get_link_local(ADDR_PREFERRED);
   }