diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 433c3ca..d6301f0 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -182,7 +182,7 @@
 
 static struct resource physmap_flash_resource = {
 	.start		= CONFIG_MTD_PHYSMAP_START,
-	.end		= CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN,
+	.end		= CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
 	.flags		= IORESOURCE_MEM,
 };