diff --git a/server/i18n/en_AU.json b/server/i18n/en-AU.json
similarity index 100%
rename from server/i18n/en_AU.json
rename to server/i18n/en-AU.json
diff --git a/server/i18n/kk_Latn.json b/server/i18n/kk-Latn.json
similarity index 100%
rename from server/i18n/kk_Latn.json
rename to server/i18n/kk-Latn.json
diff --git a/server/i18n/nb_NO.json b/server/i18n/nb-NO.json
similarity index 100%
rename from server/i18n/nb_NO.json
rename to server/i18n/nb-NO.json
diff --git a/webapp/channels/src/i18n/en_AU.json b/webapp/channels/src/i18n/en-AU.json
similarity index 100%
rename from webapp/channels/src/i18n/en_AU.json
rename to webapp/channels/src/i18n/en-AU.json
diff --git a/webapp/channels/src/i18n/i18n.jsx b/webapp/channels/src/i18n/i18n.jsx
index 5a1109f475..a0e468740c 100644
--- a/webapp/channels/src/i18n/i18n.jsx
+++ b/webapp/channels/src/i18n/i18n.jsx
@@ -4,7 +4,7 @@
 /* eslint-disable import/order */
 import bg from './bg.json';
 import de from './de.json';
-import enAU from './en_AU.json';
+import enAU from './en-AU.json';
 import es from './es.json';
 import fa from './fa.json';
 import fr from './fr.json';
diff --git a/webapp/channels/src/i18n/kk_Latn.json b/webapp/channels/src/i18n/kk-Latn.json
similarity index 100%
rename from webapp/channels/src/i18n/kk_Latn.json
rename to webapp/channels/src/i18n/kk-Latn.json
diff --git a/webapp/channels/src/i18n/nb_NO.json b/webapp/channels/src/i18n/nb-NO.json
similarity index 100%
rename from webapp/channels/src/i18n/nb_NO.json
rename to webapp/channels/src/i18n/nb-NO.json