diff --git a/admin/themes/default/template/batch_manager_global.tpl b/admin/themes/default/template/batch_manager_global.tpl
index bb1311097..8ac629235 100644
--- a/admin/themes/default/template/batch_manager_global.tpl
+++ b/admin/themes/default/template/batch_manager_global.tpl
@@ -884,14 +884,14 @@ UL.thumbnails SPAN.wrap2 {ldelim}
     <div id="action_author" class="bulkAction">
     <label><input type="checkbox" name="remove_author"> {'remove author'|@translate}</label><br>
     {assign var='authorDefaultValue' value='Type here the author name'|@translate}
-<input type="text" class="large" name="author" value="{$authorDefaultValue}" onfocus="this.value=(this.value=='{$authorDefaultValue}') ? '' : this.value;" onblur="this.value=(this.value=='') ? '{$authorDefaultValue}' : this.value;">
+<input type="text" class="large" name="author" value="{$authorDefaultValue}" onfocus="this.value=(this.value=='{$authorDefaultValue|@escape:javascript}') ? '' : this.value;" onblur="this.value=(this.value=='') ? '{$authorDefaultValue|@escape:javascript}' : this.value;">
     </div>    
 
     <!-- title -->
     <div id="action_title" class="bulkAction">
     <label><input type="checkbox" name="remove_title"> {'remove title'|@translate}</label><br>
     {assign var='titleDefaultValue' value='Type here the title'|@translate}
-<input type="text" class="large" name="title" value="{$titleDefaultValue}" onfocus="this.value=(this.value=='{$titleDefaultValue}') ? '' : this.value;" onblur="this.value=(this.value=='') ? '{$titleDefaultValue}' : this.value;">
+<input type="text" class="large" name="title" value="{$titleDefaultValue}" onfocus="this.value=(this.value=='{$titleDefaultValue|@escape:javascript}') ? '' : this.value;" onblur="this.value=(this.value=='') ? '{$titleDefaultValue|@escape:javascript}' : this.value;">
     </div>
 
     <!-- date_creation -->