diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index c184cd8..1574718 100644
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -3508,7 +3508,7 @@
 		qdev->workqueue = NULL;
 	}
 
-	iounmap(qdev->mmap_virt_base);
+	iounmap(qdev->mem_map_registers);
 	pci_release_regions(pdev);
 	pci_set_drvdata(pdev, NULL);
 	free_netdev(ndev);