diff --git a/koha-tmpl/opac-tmpl/prog/en/modules/opac-detail.tmpl b/koha-tmpl/opac-tmpl/prog/en/modules/opac-detail.tmpl
index 095463555e..47542c77e9 100644
--- a/koha-tmpl/opac-tmpl/prog/en/modules/opac-detail.tmpl
+++ b/koha-tmpl/opac-tmpl/prog/en/modules/opac-detail.tmpl
@@ -129,7 +129,7 @@ YAHOO.util.Event.onContentReady("furtherm", function () {
     <abbr class="unapi-id" title="koha:biblionumber:<!-- TMPL_VAR NAME="biblionumber" -->"><!-- unAPI --></abbr>
     <!-- TMPL_IF NAME="ocoins" -->
     <!-- COinS / OpenURL -->
-    <span class="Z3988" title="<!-- TMPL_VAR NAME="ocoins" -->"></span>
+    <span class="Z3988" title="<!-- TMPL_VAR NAME="ocoins" ESCAPE="HTML" -->"></span>
     <!-- /TMPL_IF -->
 
     <!-- TMPL_IF name="normalized_isbn" -->