diff --git a/pages/tagadmin.php b/pages/tagadmin.php
index 9296da43b9..6c65754ebb 100644
--- a/pages/tagadmin.php
+++ b/pages/tagadmin.php
@@ -107,6 +107,7 @@
 
 		// Menu node
 		$sFilter = $oFilter->ToOQL();
+		$sFilter = utils::EscapeHtml($sFilter);
 		$oP->add("\n<!-- $sFilter -->\n");
 	} else {
 		$oP->add("<p>");