diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 090d273..1b74d3b 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -215,6 +215,9 @@
 	case ARPHRD_INFINIBAND:
 		ip_ib_mc_map(addr, dev->broadcast, haddr);
 		return 0;
+	case ARPHRD_IPGRE:
+		ip_ipgre_mc_map(addr, dev->broadcast, haddr);
+		return 0;
 	default:
 		if (dir) {
 			memcpy(haddr, dev->broadcast, dev->addr_len);