diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 2bb85c48b9b7..641a9cd1a532 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -57,7 +57,7 @@ static int HFC_cnt;
 static uint debug;
 static uint poll, tics;
 static struct timer_list hfc_tl;
-static u32 hfc_jiffies;
+static unsigned long hfc_jiffies;
 
 MODULE_AUTHOR("Karsten Keil");
 MODULE_LICENSE("GPL");