diff --git a/packages/web/src/settings/SettingsModal.svelte b/packages/web/src/settings/SettingsModal.svelte
index 7e9e609c1..d68c96b40 100644
--- a/packages/web/src/settings/SettingsModal.svelte
+++ b/packages/web/src/settings/SettingsModal.svelte
@@ -130,8 +130,8 @@ ORDER BY
             name="localization.language"
             isNative
             options={[
-              { value: 'en-US', label: 'English' },
-              { value: 'cs-CZ', label: 'Czech' },
+              { value: 'en', label: 'English' },
+              { value: 'cs', label: 'Czech' },
             ]}
             on:change={() => {
               setTimeout(() => {
diff --git a/packages/web/src/translations.ts b/packages/web/src/translations.ts
index 2e72c30a1..aaac01d9d 100644
--- a/packages/web/src/translations.ts
+++ b/packages/web/src/translations.ts
@@ -1,31 +1,34 @@
-import enUS from '../../../translations/en-US.json';
-import csCZ from '../../../translations/cs-CZ.json';
+import cs from '../../../translations/cs.json';
 
 import MessageFormat, { MessageFunction } from '@messageformat/core';
 import { getStringSettingsValue } from './settings/settingsTools';
 
 const translations = {
-  'en-US': enUS,
-  'cs-CZ': csCZ,
+  en: {},
+  cs,
 };
 const supportedLanguages = Object.keys(translations);
 
 const compiledMessages: Partial<Record<string, Record<string, MessageFunction<'string'>>>> = {};
 
+const defaultLanguage = 'en';
+
 export function getSelectedLanguage(): string {
   const borwserLanguage = getBrowserLanguage();
   const selectedLanguage = getStringSettingsValue('localization.language', borwserLanguage);
 
-  if (!supportedLanguages.includes(selectedLanguage)) return 'en-US';
+  if (!supportedLanguages.includes(selectedLanguage)) return defaultLanguage;
 
   return selectedLanguage;
 }
 
 export function getBrowserLanguage(): string {
   if (typeof window !== 'undefined') {
-    return (navigator.languages && navigator.languages[0]) || navigator.language || 'en-US';
+    return (
+      (navigator.languages && navigator.languages[0]).slice(0, 2) || navigator.language.slice(0, 2) || defaultLanguage
+    );
   }
-  return 'en-US';
+  return defaultLanguage;
 }
 
 type TranslateOptions = {
@@ -34,7 +37,7 @@ type TranslateOptions = {
 };
 
 function getTranslation(key: string, defaultMessage: string, language: string) {
-  const selectedTranslations = translations[language] ?? enUS;
+  const selectedTranslations = translations[language] ?? {};
   const translation = selectedTranslations[key];
 
   if (!translation) {
diff --git a/translations/cs-CZ.json b/translations/cs-CZ.json
deleted file mode 100644
index 6e72ceb23..000000000
--- a/translations/cs-CZ.json
+++ /dev/null
@@ -1,58 +0,0 @@
-{
-  "app.preparing_pluguns": "*** Preparing plugins ...",
-  "app.starting": "*** Starting DbGate",
-  "command.data_grid.revert_all_changes.name": "*** Revert all changes",
-  "command.data_grid.revert_all_changes.toolbar_name": "*** Revert all",
-  "command.data_grid.revert_row_changes": "*** Revert row changes",
-  "command.datagrid.add_new_column.name": "*** Add new column",
-  "command.datagrid.add_new_column.toolbar_name": "*** New column",
-  "command.datagrid.clone_rows.name": "*** Clone rows",
-  "command.datagrid.clone_rows.toolbar_name": "*** Clone row(s)",
-  "command.datagrid.copy_to_clipboard.name": "*** Copy to clipboard",
-  "command.datagrid.delete_selected_rows.name": "*** Delete selected rows",
-  "command.datagrid.delete_selected_rows.toolbar_name": "*** Delete row(s)",
-  "command.datagrid.edit_json_document.name": "*** Edit row as JSON document",
-  "command.datagrid.insert_new_row.name": "*** Insert new row",
-  "command.datagrid.insert_new_row.toolbar_name": "*** New row",
-  "command.datagrid.load_cell_from_file.name": "*** Load cell from file",
-  "command.datagrid.open_json_array_in_sheet.name": "*** Open array as table",
-  "command.datagrid.open_selection_in_map.name": "*** Open selection in map",
-  "command.datagrid.reconnect.name": "*** Reconnect",
-  "command.datagrid.redo.name": "*** Redo",
-  "command.datagrid.remove_field.name": "*** Remove field",
-  "command.datagrid.save_cell_to_file.name": "*** Save cell to file",
-  "command.datagrid.set_null.name": "*** Set NULL",
-  "command.datagrid.undo.name": "*** Undo",
-  "command.datagrid.view_json_document.name": "*** View row as JSON document",
-  "command.datagrid.view_json_value.name": "*** View cell as JSON document",
-  "command.tabs.addToFavorites": "*** Add current tab to favorites",
-  "command.tabs.closeAll": "*** Close all tabs",
-  "command.tabs.closeTab": "*** Close tab",
-  "command.tabs.closeTabsButCurrentDb": "*** Close tabs but current DB",
-  "command.tabs.closeTabsWithCurrentDb": "*** Close tabs with current DB",
-  "command.tabs.nextTab": "*** Next tab",
-  "command.tabs.previousTab": "*** Previous tab",
-  "command.tabs.reopenClosedTab": "*** Reopen closed tab",
-  "common.archive": "*** Archive",
-  "common.connections": "*** Connections",
-  "common.database": "*** Database",
-  "common.query": "*** Query",
-  "common.refresh": "*** Refresh",
-  "common.save": "*** Save",
-  "common.schema": "*** Schema",
-  "error.driver_not_found": "*** Invalid database connection, driver not found",
-  "schema.add": "*** Add new schema",
-  "schema.create_schema": "*** Create schema",
-  "schema.delete": "*** Delete schema",
-  "schema.reset_to_default": "*** Reset to default",
-  "schema.schema_name": "*** Schema name",
-  "settings.localization": "Localizace",
-  "source.source_files": "*** Source files",
-  "source.tables_views_collections": "*** Tables / views / collections",
-  "tab.administration": "*** Administration",
-  "widget.database_content": "*** Database content",
-  "widget.databases": "*** Databases",
-  "widget.keys": "*** Keys",
-  "widget.pinned": "*** Pinned",
-  "widget.tables_views_functions": "*** Tables, views, functions"
-}
\ No newline at end of file
diff --git a/translations/cs.json b/translations/cs.json
new file mode 100644
index 000000000..0967ef424
--- /dev/null
+++ b/translations/cs.json
@@ -0,0 +1 @@
+{}
diff --git a/translations/en-US.json b/translations/en.json
similarity index 100%
rename from translations/en-US.json
rename to translations/en.json