diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 7cb2052..aa32a97 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -1751,7 +1751,7 @@
 			/* Make sure the RF_KILL check timer is running */
 			cancel_delayed_work(&priv->rf_kill);
 			queue_delayed_work(priv->workqueue, &priv->rf_kill,
-					   2 * HZ);
+					   round_jiffies(2 * HZ));
 		} else
 			queue_work(priv->workqueue, &priv->up);
 	}
@@ -4690,7 +4690,8 @@
 			else if (priv->config & CFG_BACKGROUND_SCAN
 				 && priv->status & STATUS_ASSOCIATED)
 				queue_delayed_work(priv->workqueue,
-						   &priv->request_scan, HZ);
+						   &priv->request_scan,
+						   round_jiffies(HZ));
 
 			/* Send an empty event to user space.
 			 * We don't send the received data on the event because