diff --git a/net/ipv4/netfilter/ip_conntrack_ftp.c b/net/ipv4/netfilter/ip_conntrack_ftp.c
index 12b88cbb11db..dd86503aa788 100644
--- a/net/ipv4/netfilter/ip_conntrack_ftp.c
+++ b/net/ipv4/netfilter/ip_conntrack_ftp.c
@@ -252,7 +252,7 @@ static int find_pattern(const char *data, size_t dlen,
 }
 
 /* Look up to see if we're just after a \n. */
-static int find_nl_seq(u16 seq, const struct ip_ct_ftp_master *info, int dir)
+static int find_nl_seq(u32 seq, const struct ip_ct_ftp_master *info, int dir)
 {
 	unsigned int i;
 
@@ -263,7 +263,7 @@ static int find_nl_seq(u16 seq, const struct ip_ct_ftp_master *info, int dir)
 }
 
 /* We don't update if it's older than what we have. */
-static void update_nl_seq(u16 nl_seq, struct ip_ct_ftp_master *info, int dir)
+static void update_nl_seq(u32 nl_seq, struct ip_ct_ftp_master *info, int dir)
 {
 	unsigned int i, oldest = NUM_SEQ_TO_REMEMBER;