diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 689b9bd..4b52c76 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -24,6 +24,7 @@
 #include <linux/errno.h>
 #include <linux/netdevice.h>
 #include <linux/timer.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>