diff --git a/services/loopback/server/middleware/error-handler.js b/services/loopback/server/middleware/error-handler.js
index 6565ca67a4..bf600ce53d 100644
--- a/services/loopback/server/middleware/error-handler.js
+++ b/services/loopback/server/middleware/error-handler.js
@@ -4,7 +4,7 @@ module.exports = function() {
     return function(err, req, res, next) {
         // Thrown user errors
         if (err instanceof UserError) {
-            err.message = req.__(err.message);
+            err.message = req.__(err.message, ...err.translateArgs);
             return next(err);
         }