diff --git a/app/views/files/index.html.erb b/app/views/files/index.html.erb
index fa15c1fc7..ded576f12 100644
--- a/app/views/files/index.html.erb
+++ b/app/views/files/index.html.erb
@@ -239,7 +239,7 @@
         ele = domEle;
         tagId = id;
         taggableType = type;
-        domEle.html('<input name="" id="renameTagName" style="width: 100px;" value="'+name+'"/>');
+        domEle.html('<input name="" id="renameTagName" maxlength="<%=Setting.tags_max_length%>" minlength="<%= Setting.tags_min_length%>" style="width: 100px;" value="'+name+'"/>');
         domEle.parent().css("border","1px solid #ffffff");
         $("#renameTagName").focus();
     }