diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig
index 959d32bc733798ed3acb72d00e72229f6d1b4459..c35745874506895fe705f3ce4e079f9f0d1d049d 100644
--- a/arch/powerpc/configs/powernv_defconfig
+++ b/arch/powerpc/configs/powernv_defconfig
@@ -80,6 +80,7 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_MTD=y
+CONFIG_MTD_BLOCK=y
 CONFIG_MTD_POWERNV_FLASH=y
 CONFIG_PARPORT=m
 CONFIG_PARPORT_PC=m