diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index ee159edb6b88..8879e95b121e 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2865,7 +2865,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
 #ifdef CCISS_DEBUG
 	printk("address 0 = %x\n", c->paddr);
 #endif				/* CCISS_DEBUG */
-	c->vaddr = remap_pci_mem(c->paddr, 200);
+	c->vaddr = remap_pci_mem(c->paddr, 0x250);
 
 	/* Wait for the board to become ready.  (PCI hotplug needs this.)
 	 * We poll for up to 120 secs, once per 100ms. */