diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c
index e55746b824b4a..89ecd76127d89 100644
--- a/arch/powerpc/platforms/44x/warp-nand.c
+++ b/arch/powerpc/platforms/44x/warp-nand.c
@@ -24,7 +24,7 @@
 
 static struct resource warp_ndfc = {
 	.start = WARP_NAND_FLASH_REG_ADDR,
-	.end   = WARP_NAND_FLASH_REG_ADDR + WARP_NAND_FLASH_REG_SIZE,
+	.end   = WARP_NAND_FLASH_REG_ADDR + WARP_NAND_FLASH_REG_SIZE - 1,
 	.flags = IORESOURCE_MEM,
 };