diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 039cc1f..1e029dc 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -2017,7 +2017,7 @@
  * values on failure.
  *
  */
-int cipso_v4_delopt(struct ip_options **opt_ptr)
+static int cipso_v4_delopt(struct ip_options **opt_ptr)
 {
 	int hdr_delta = 0;
 	struct ip_options *opt = *opt_ptr;