diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index ebd8b06..4ec0eea 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -145,7 +145,7 @@
  * is searched in the order returned from the server, per RFC 3530
  * recommendation.
  */
-rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *flavors)
+static rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *flavors)
 {
 	rpc_authflavor_t pseudoflavor;
 	struct nfs4_secinfo4 *secinfo;