diff --git a/include/net/ax25.h b/include/net/ax25.h
index 717e219..206d222 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -10,6 +10,7 @@
 #include <linux/spinlock.h>
 #include <linux/timer.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <asm/atomic.h>
 
 #define	AX25_T1CLAMPLO  		1