diff --git a/lib/routes/admin-api/util.js b/lib/routes/admin-api/util.js
index 6d4ad7c9c9..fd6df1ad44 100644
--- a/lib/routes/admin-api/util.js
+++ b/lib/routes/admin-api/util.js
@@ -26,13 +26,17 @@ const nameType = customJoi
 
 const handleErrors = (res, logger, error) => {
     logger.warn(error.message);
+    // eslint-disable-next-line no-param-reassign
+    error.isJoi = true;
     switch (error.name) {
         case 'NotFoundError':
             return res.status(404).end();
         case 'NameExistsError':
+            return res
+                .status(409)
+                .json(error)
+                .end();
         case 'ValidationError':
-            // eslint-disable-next-line no-param-reassign
-            error.isJoi = true;
             return res
                 .status(400)
                 .json(error)