diff --git a/src/environments/environment.test.ts b/src/environments/environment.test.ts
index cb9d2c71303..1cc6d34184c 100644
--- a/src/environments/environment.test.ts
+++ b/src/environments/environment.test.ts
@@ -216,6 +216,8 @@ export const environment: BuildConfig = {
     active: false,
   }],
 
+  languageHashes: [],
+
   // Browse-By Pages
   browseBy: {
     // Amount of years to display using jumps of one year (current year - oneYearLimit)