diff --git a/configs/picosam9g45_defconfig b/configs/picosam9g45_defconfig
index d3aeb10..3a37c70 100644
--- a/configs/picosam9g45_defconfig
+++ b/configs/picosam9g45_defconfig
@@ -4,6 +4,7 @@
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_FAT_SUPPORT=y
+CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9M10G45,SYS_USE_MMC"
 CONFIG_BOOTDELAY=3
 CONFIG_SPL=y