diff --git a/configs/aarch64_defconfig b/configs/aarch64_defconfig
index a0833306..18d83489 100644
--- a/configs/aarch64_defconfig
+++ b/configs/aarch64_defconfig
@@ -18,8 +18,8 @@ BR2_SYSTEM_BIN_SH_BASH=y
 BR2_TARGET_GENERIC_GETTY_PORT="@console"
 BR2_TARGET_GENERIC_GETTY_TERM="xterm"
 BR2_SYSTEM_DHCP="eth0"
-BR2_ENABLE_LOCALE_WHITELIST="C en_US en_CA"
-BR2_GENERATE_LOCALE="en_US en_CA"
+BR2_ENABLE_LOCALE_WHITELIST="C en_US en_CA C.UTF-8"
+BR2_GENERATE_LOCALE="en_US en_CA C.UTF-8"
 BR2_TARGET_TZ_INFO=y
 BR2_ROOTFS_OVERLAY="${BR2_EXTERNAL_INFIX_PATH}/board/common/rootfs ${BR2_EXTERNAL_INFIX_PATH}/board/aarch64/rootfs"
 BR2_ROOTFS_POST_BUILD_SCRIPT="${BR2_EXTERNAL_INFIX_PATH}/board/common/post-build.sh"
diff --git a/configs/r2s_defconfig b/configs/r2s_defconfig
index ae7761f8..1b2980c3 100644
--- a/configs/r2s_defconfig
+++ b/configs/r2s_defconfig
@@ -19,8 +19,8 @@ BR2_SYSTEM_BIN_SH_BASH=y
 BR2_TARGET_GENERIC_GETTY_PORT="@console"
 BR2_TARGET_GENERIC_GETTY_TERM="xterm"
 BR2_SYSTEM_DHCP="eth0"
-BR2_ENABLE_LOCALE_WHITELIST="C en_US en_CA"
-BR2_GENERATE_LOCALE="en_US en_CA"
+BR2_ENABLE_LOCALE_WHITELIST="C en_US en_CA C.UTF-8"
+BR2_GENERATE_LOCALE="en_US en_CA C.UTF-8"
 BR2_TARGET_TZ_INFO=y
 BR2_ROOTFS_OVERLAY="${BR2_EXTERNAL_INFIX_PATH}/board/common/rootfs ${BR2_EXTERNAL_INFIX_PATH}/board/aarch64/rootfs"
 BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_INFIX_PATH)/board/aarch64/r2s/post-build.sh ${BR2_EXTERNAL_INFIX_PATH}/board/common/post-build.sh"
diff --git a/configs/x86_64_defconfig b/configs/x86_64_defconfig
index 0121220f..4afe45be 100644
--- a/configs/x86_64_defconfig
+++ b/configs/x86_64_defconfig
@@ -17,8 +17,8 @@ BR2_SYSTEM_BIN_SH_BASH=y
 BR2_TARGET_GENERIC_GETTY_PORT="@console"
 BR2_TARGET_GENERIC_GETTY_TERM="xterm"
 BR2_SYSTEM_DHCP="eth0"
-BR2_ENABLE_LOCALE_WHITELIST="C en_US en_CA"
-BR2_GENERATE_LOCALE="en_US en_CA"
+BR2_ENABLE_LOCALE_WHITELIST="C en_US en_CA C.UTF-8"
+BR2_GENERATE_LOCALE="en_US en_CA C.UTF-8"
 BR2_TARGET_TZ_INFO=y
 BR2_ROOTFS_OVERLAY="${BR2_EXTERNAL_INFIX_PATH}/board/common/rootfs ${BR2_EXTERNAL_INFIX_PATH}/board/x86_64/rootfs"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/qemu/x86_64/post-build.sh ${BR2_EXTERNAL_INFIX_PATH}/board/common/post-build.sh"