diff --git a/src/pat/select2/select2.js b/src/pat/select2/select2.js
index 0784723326..2b1785f672 100644
--- a/src/pat/select2/select2.js
+++ b/src/pat/select2/select2.js
@@ -112,7 +112,7 @@ export default Base.extend({
             if (this.options.language && this.options.language !== "en" && !this.options.language.startsWith("en")) {
                 let lang = this.options.language.split("-");
                 // Fix for country specific languages
-                lang = (lang.length > 1) ? `${lang[0]}-${lang[1]}` : lang[0];        
+                lang = (lang.length > 1) ? `${lang[0]}-${lang[1].toUpperCase()}` : lang[0];        
                 await import(`select2/select2_locale_${lang}`);
             }
         } catch {