diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 3f08158..e25e490 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -5,6 +5,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/skbuff.h>