diff --git a/sys/include/net/ng_netdev.h b/sys/include/net/ng_netdev.h
index 563b485fe6e53eaaf1703f1c4b35bacccd391ee8..1c396421e01ddf60a76ec796e2af582086114188 100644
--- a/sys/include/net/ng_netdev.h
+++ b/sys/include/net/ng_netdev.h
@@ -26,6 +26,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+#include "kernel.h"
 #include "net/ng_pkt.h"
 #include "net/ng_netconf.h"