diff --git a/packages/runtime/src/strong-globalize.ts b/packages/runtime/src/strong-globalize.ts
index 135dc07..a4f7302 100644
--- a/packages/runtime/src/strong-globalize.ts
+++ b/packages/runtime/src/strong-globalize.ts
@@ -94,6 +94,7 @@ export class StrongGlobalize {
   }
 
   setLanguage(lang?: string) {
+    if (lang) lang = getLangAlias(lang);
     lang = helper.isSupportedLanguage(lang)
       ? lang
       : STRONGLOOP_GLB.DEFAULT_LANG;