diff --git a/core/net/netstack.c b/core/net/netstack.c
index 35e7f2c48..e13184c19 100644
--- a/core/net/netstack.c
+++ b/core/net/netstack.c
@@ -44,6 +44,7 @@ netstack_init(void)
 {
   NETSTACK_RADIO.init();
   NETSTACK_RDC.init();
+  NETSTACK_LLSEC.init();
   NETSTACK_MAC.init();
   NETSTACK_NETWORK.init();
 }