diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index f43e1c13b300..82f2ae0d7cc4 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -2000,7 +2000,7 @@ static void firestream_remove_one(struct pci_dev *pdev)
 
 		fs_dprintk (FS_DEBUG_CLEANUP, "Freeing irq%d.\n", dev->irq);
 		free_irq (dev->irq, dev);
-		del_timer (&dev->timer);
+		del_timer_sync (&dev->timer);
 
 		atm_dev_deregister(dev->atm_dev);
 		free_queue (dev, &dev->hp_txq);