diff --git a/drivers/scsi/zorro7xx.c b/drivers/scsi/zorro7xx.c
index 27b9e2baab1a61c2ca62b7caf0f9ced69ee0025c..7acf9193a9e800519f6381b8ef27b201bf34650d 100644
--- a/drivers/scsi/zorro7xx.c
+++ b/drivers/scsi/zorro7xx.c
@@ -159,6 +159,8 @@ static void zorro7xx_remove_one(struct zorro_dev *z)
 	scsi_remove_host(host);
 
 	NCR_700_release(host);
+	if (host->base > 0x01000000)
+		iounmap(hostdata->base);
 	kfree(hostdata);
 	free_irq(host->irq, host);
 	zorro_release_device(z);