diff --git a/modules/item/back/models/item-tag.js b/modules/item/back/models/item-tag.js
index 4fd44270aa..5b71639130 100644
--- a/modules/item/back/models/item-tag.js
+++ b/modules/item/back/models/item-tag.js
@@ -4,8 +4,8 @@ module.exports = Self => {
     require('../methods/item-tag/filterItemTags')(Self);
 
     Self.rewriteDbError(function(err) {
-        // if (err.code === 'ER_DUP_ENTRY')
-        //     return new UserError(`The tag or priority can't be repeated for an item`);
+        if (err.code === 'ER_DUP_ENTRY')
+            return new UserError(`The tag or priority can't be repeated for an item`);
         if (err.code === 'ER_BAD_NULL_ERROR')
             return new UserError(`Tag value cannot be blank`);
         return err;