diff --git a/src/ap.c b/src/ap.c
index 8851cb85..7eac07d7 100644
--- a/src/ap.c
+++ b/src/ap.c
@@ -141,7 +141,7 @@ struct ap_ip_pool {
 
 struct ap_ip_pool pool;
 static uint32_t netdev_watch;
-struct l_netlink *rtnl;
+static struct l_netlink *rtnl;
 
 /*
  * Creates pool of IPs which AP intefaces can use. Each call to ip_pool_get