diff --git a/apps/readest-app/src/__tests__/services/constants.test.ts b/apps/readest-app/src/__tests__/services/constants.test.ts
index ca565fa3..06d792d0 100644
--- a/apps/readest-app/src/__tests__/services/constants.test.ts
+++ b/apps/readest-app/src/__tests__/services/constants.test.ts
@@ -1109,6 +1109,10 @@ describe('services/constants', () => {
       expect(TRANSLATOR_LANGS['fi']).toBeDefined();
     });
 
+    it('TRANSLATOR_LANGS includes Urdu', () => {
+      expect(TRANSLATOR_LANGS['ur']).toBe('اردو');
+    });
+
     it('SUPPORTED_LANGS includes zh in addition to TRANSLATED_LANGS entries', () => {
       expect(typeof SUPPORTED_LANGS).toBe('object');
       expect(SUPPORTED_LANGS['zh']).toBeDefined();
diff --git a/apps/readest-app/src/services/constants.ts b/apps/readest-app/src/services/constants.ts
index 0574fedf..6b49f91e 100644
--- a/apps/readest-app/src/services/constants.ts
+++ b/apps/readest-app/src/services/constants.ts
@@ -958,6 +958,7 @@ export const TRANSLATOR_LANGS: Record<string, string> = {
   sl: 'Slovenščina',
   sk: 'Slovenčina',
   fa: 'فارسی',
+  ur: 'اردو',
 };
 
 export const SUPPORTED_LANGS: Record<string, string> = { ...TRANSLATED_LANGS, zh: '中文' };