diff --git a/ui-ngx/angular.json b/ui-ngx/angular.json
index a875eed727..5f43710552 100644
--- a/ui-ngx/angular.json
+++ b/ui-ngx/angular.json
@@ -140,7 +140,8 @@
               "ace",
               "ace-builds",
               "diff-match-patch",
-              "tv4"
+              "tv4",
+              "@messageformat/parse"
             ]
           },
           "configurations": {
diff --git a/ui-ngx/src/app/core/translate/translate-default-compiler.ts b/ui-ngx/src/app/core/translate/translate-default-compiler.ts
index 67074479ff..739621eaca 100644
--- a/ui-ngx/src/app/core/translate/translate-default-compiler.ts
+++ b/ui-ngx/src/app/core/translate/translate-default-compiler.ts
@@ -45,7 +45,7 @@ export class TranslateDefaultCompiler extends TranslateMessageFormatCompiler {
     if (typeof src !== 'object') {
       if (this.checkIsPlural(src)) {
         try {
-          return super.compile(src, lang);
+          return super.compile(src, lang.replace('_', '-'));
         } catch (e) {
           console.warn('Failed compile translate:', src, e);
           return src;