diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 5b3138620646af9b5b7c544529a3ae9250858745..4c331356a882dcd1993b00013ba7b46078da312c 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1513,7 +1513,7 @@ static int omap_nand_remove(struct platform_device *pdev)
 	/* Release NAND device, its internal structures and partitions */
 	nand_release(&info->mtd);
 	iounmap(info->nand.IO_ADDR_R);
-	release_mem_region(info->phys_base, NAND_IO_SIZE);
+	release_mem_region(info->phys_base, info->mem_size);
 	kfree(info);
 	return 0;
 }