diff --git a/plugins/server-status.js b/plugins/server-status.js
index c32ac972d..eafbc3be2 100644
--- a/plugins/server-status.js
+++ b/plugins/server-status.js
@@ -103,7 +103,7 @@ function ws_open_server_status()
if (jso.i.statm) {
var sm = jso.i.statm.split(" ");
s += ", Virt stack + heap Usage: " +
- humanize(parseInt(sm[0], 10) * 4096) + "B";
+ humanize(parseInt(sm[5], 10) * 4096) + "B";
}
s += ", lws heap usage: " +
humanize(jso.i.heap) + "B";