diff --git a/rlgwebd.js b/rlgwebd.js
index 968aeb6..64fffd0 100755
--- a/rlgwebd.js
+++ b/rlgwebd.js
@@ -460,6 +460,7 @@ function wsStart(wsReq) {
     wsReq.reject(404, errorcodes[1]);
     return;
   }
+  logins[lkey].ts = new Date();
   var pname = logins[lkey].name;
   var dims = [wsReq.resourceURL.query.h, wsReq.resourceURL.query.w];
   function progcallback(err, fname) {
@@ -902,6 +903,8 @@ function stopgame(res, formdata) {
     sendError(res, 1);
     return;
   }
+  /* Update timestamp, because this is an authenticated action. */
+  logins[formdata["key"]].ts = new Date();
   var pname = logins[formdata["key"]].name;
   if (!("g" in formdata) || !(formdata["g"] in games)) {
     sendError(res, 2, "No such game.");