diff --git a/UI/Templates/MailerUI/UIxMailFilterPanel.wox b/UI/Templates/MailerUI/UIxMailFilterPanel.wox
index 0e3805a46..c36477672 100644
--- a/UI/Templates/MailerUI/UIxMailFilterPanel.wox
+++ b/UI/Templates/MailerUI/UIxMailFilterPanel.wox
@@ -3,6 +3,7 @@
     xmlns="http://www.w3.org/1999/xhtml"
     xmlns:var="http://www.skyrix.com/od/binding"
     xmlns:const="http://www.skyrix.com/od/constant"
+    xmlns:label="OGo:label"
     >
     <div class="menu" id="searchMenu">
       <ul id="searchOptions">