diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 28f4f3b36950593a5eec787ce7193cb207bf9be8..899c3d4776f3dffc690274bd3dfb44224c6608ab 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -169,7 +169,7 @@ struct ip_sf_list
 struct ip_mc_list
 {
 	struct in_device	*interface;
-	unsigned long		multiaddr;
+	__be32			multiaddr;
 	struct ip_sf_list	*sources;
 	struct ip_sf_list	*tomb;
 	unsigned int		sfmode;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index d512239a14731a0690e184f6340221f06c4a0b18..ab680c851aa204b5e2f1b2ee18dc023b7630764f 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2361,7 +2361,7 @@ static int igmp_mc_seq_show(struct seq_file *seq, void *v)
 		}
 
 		seq_printf(seq,
-			   "\t\t\t\t%08lX %5d %d:%08lX\t\t%d\n",
+			   "\t\t\t\t%08X %5d %d:%08lX\t\t%d\n",
 			   im->multiaddr, im->users,
 			   im->tm_running, im->tm_running ?
 			   jiffies_to_clock_t(im->timer.expires-jiffies) : 0,