diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index a7d915a5932e1889e858ec6d8f074fe97ae7c0d2..4ebc80315f0135e029aa585b3a3ed0d47c501d1c 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -110,6 +110,8 @@ CONFIG_NFS_V4_1=y
 CONFIG_NFS_V4_2=y
 CONFIG_ROOT_NFS=y
 CONFIG_9P_FS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=m
 CONFIG_CRYPTO_USER_API_HASH=y
 CONFIG_CRYPTO_DEV_VIRTIO=y
 CONFIG_PRINTK_TIME=y