diff --git a/arch/arm/configs/rockchip_defconfig b/arch/arm/configs/rockchip_defconfig
index 289327583574..8bc4d4db5380 100644
--- a/arch/arm/configs/rockchip_defconfig
+++ b/arch/arm/configs/rockchip_defconfig
@@ -659,6 +659,7 @@ CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ASCII=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_UTF8=y
+CONFIG_UNICODE=y
 CONFIG_SECURITY_PERF_EVENTS_RESTRICT=y
 CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y