diff --git a/ipc/util.c b/ipc/util.c
index 1aa0ebf..76c1f34 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -802,8 +802,8 @@
 /*
  * This routine locks the ipc structure found at least at position pos.
  */
-struct kern_ipc_perm *sysvipc_find_ipc(struct ipc_ids *ids, loff_t pos,
-					loff_t *new_pos)
+static struct kern_ipc_perm *sysvipc_find_ipc(struct ipc_ids *ids, loff_t pos,
+					      loff_t *new_pos)
 {
 	struct kern_ipc_perm *ipc;
 	int total, id;