diff --git a/src/languages/index.ts b/src/languages/index.ts
index 08bfac2fb..3e0a22a0e 100644
--- a/src/languages/index.ts
+++ b/src/languages/index.ts
@@ -87,13 +87,13 @@ export namespace LanguagesModel {
 
     export interface AddLanguageRequest {
         name: string;
-        dialectOf?: string;
         code: string;
         localeCode: string;
-        twoLettersCode?: string;
-        threeLettersCode: string;
         textDirection: TextDirection;
         pluralCategoryNames: string[];
+        threeLettersCode: string;
+        twoLettersCode?: string;
+        dialectOf?: string;
     }
 
     export type TextDirection = 'ltr' | 'rtl';
diff --git a/src/machineTranslation/index.ts b/src/machineTranslation/index.ts
index 9315bb565..ff023e75e 100644
--- a/src/machineTranslation/index.ts
+++ b/src/machineTranslation/index.ts
@@ -114,15 +114,16 @@ export namespace MachineTranslationModel {
         | { apiKey: string }
         | { credentials: string }
         | { model: string; apiKey: string }
+        | { isSystemCredentials: boolean; apiKey: string }
         | { endpoint: string; apiKey: string }
         | { url: string }
         | { accessKey: string; secretKey: string };
 
     export interface CreateMachineTranslationRequest {
         name: string;
-        groupId?: number;
         type: string;
         credentials: Credentials;
+        groupId?: number;
         enabledLanguageIds?: string[];
         enabledProjectIds?: number[];
         isEnabled?: boolean;