diff --git a/core/src/main/resources/hudson/model/JobCollection/index.jelly b/core/src/main/resources/hudson/model/JobCollection/index.jelly
index 8cdc2bbd8b927198995ea81c20f5e94d06d62daa..4a8d115523f55415582ebdfaef33472898b5c08e 100644
--- a/core/src/main/resources/hudson/model/JobCollection/index.jelly
+++ b/core/src/main/resources/hudson/model/JobCollection/index.jelly
@@ -1,5 +1,5 @@
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" xmlns:i="jelly:fmt">
-	<st:header name="X-Hudson" value="${servletContext.attribute['version']}" />
+	<st:header name="X-Hudson" value="${servletContext.getAttribute('version')}" />
   <j:new var="h" className="hudson.Functions" /><!-- instead of JSP functions -->
 	<l:layout title="${h.ifThenElse(app==it,'Dashboard',it.viewName)}">
 		<st:include page="sidepanel.jelly" />