diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index 1df44d966bdb927dc7bc7da7ff1ef5b1ee27a05e..d4748a8e0deda6fd2e1e05adaa20f7749d72c077 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -463,7 +463,7 @@ static int sdricoh_init_mmc(struct pci_dev *pci_dev,
 
 err:
 	if (iobase)
-		iounmap(iobase);
+		pci_iounmap(pci_dev, iobase);
 	if (mmc)
 		mmc_free_host(mmc);