diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
index ac1d74c63bf5402cd7ee03d357e29908045801b4..bbd1667aa7d3996035fdf517dd0dd71c034ec6e5 100644
--- a/fs/ocfs2/stack_o2cb.c
+++ b/fs/ocfs2/stack_o2cb.c
@@ -385,7 +385,7 @@ static int o2cb_cluster_this_node(unsigned int *node)
 	return 0;
 }
 
-struct ocfs2_stack_operations o2cb_stack_ops = {
+static struct ocfs2_stack_operations o2cb_stack_ops = {
 	.connect	= o2cb_cluster_connect,
 	.disconnect	= o2cb_cluster_disconnect,
 	.hangup		= o2cb_cluster_hangup,