diff --git a/readme-vars.yml b/readme-vars.yml
index 997275f..3180610 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -50,6 +50,7 @@ opt_param_env_vars:
   - { env_var: "PASSWORD", env_value: "password", desc: "Optional web gui password, if not provided, there will be no auth."}
   - { env_var: "SUDO_PASSWORD", env_value: "password", desc: "If this optional variable is set, user will have sudo access in the code-server terminal with the specified password."}
   - { env_var: "PROXY_DOMAIN", env_value: "code-server.my.domain", desc: "If this optional variable is set, this domain will be proxied for subdomain proxying. See [Documentation](https://github.com/cdr/code-server/blob/master/doc/FAQ.md#sub-domains)" }
+  - { env_var: "LOCALE", env_value: "en", desc: "If this optional variable is set, will set Display Language, default is English. See [Available locales](https://code.visualstudio.com/docs/getstarted/locales#_available-locales)" }
 
 optional_block_1: false
 optional_block_1_items: ""
diff --git a/root/etc/services.d/code-server/run b/root/etc/services.d/code-server/run
index def2ad5..cd150c0 100644
--- a/root/etc/services.d/code-server/run
+++ b/root/etc/services.d/code-server/run
@@ -13,6 +13,10 @@ else
   PROXY_DOMAIN_ARG="--proxy-domain=${PROXY_DOMAIN}"
 fi
 
+if [ -z "${LOCALE}" ]; then
+  LOCALE="en"
+fi
+
 exec \
 	s6-setuidgid abc \
 		/usr/local/bin/code-server \
@@ -21,5 +25,6 @@ exec \
 			--extensions-dir /config/extensions \
 			--disable-telemetry \
 			--auth "${AUTH}" \
+			--locale "${LOCALE}" \
 			"${PROXY_DOMAIN_ARG}" \
 			/config/workspace