diff --git a/apps/routerconsole/jsp/viewstat.jsp b/apps/routerconsole/jsp/viewstat.jsp
index fdce14bfa..58768a005 100644
--- a/apps/routerconsole/jsp/viewstat.jsp
+++ b/apps/routerconsole/jsp/viewstat.jsp
@@ -55,8 +55,7 @@ if ( !rendered && ((rs != null) || fakeBw) ) {
       } else {
         response.setContentType("image/png");
         response.setHeader("Content-Disposition", "inline; filename=\"" + stat + ".png\"");
-        // very brief 45 sec expire
-        response.setDateHeader("Expires", ctx.clock().now() + (45*1000));
+        response.setHeader("Cache-Control", "no-cache");
         response.setHeader("Accept-Ranges", "none");
         // http://jira.codehaus.org/browse/JETTY-1346
         // This doesn't actually appear in the response, but it fixes the problem,