diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index bda96d1..d5d8d55 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -29,6 +29,7 @@
 #include <linux/inet.h>
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>