diff --git a/drivers/net/hp.c b/drivers/net/hp.c
index ef20143..18564d4 100644
--- a/drivers/net/hp.c
+++ b/drivers/net/hp.c
@@ -30,6 +30,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/delay.h>
 
 #include <asm/system.h>