fixed it!

modules/brand.js

@@ -14,10 +14,11 @@ var status = {};
 
 function renderStatus(sock, everything) {
     var sendInner = function () {
+        status.random = ''+Math.random();
         sock.emit('brand.status', Mustache.render(TEMPLATES.status, status));
     }
     if (everything) {
-        sock.emit('brand', Mustache.render(TEMPLATES.template, {random: Math.random()}));
+        sock.emit('brand', Mustache.render(TEMPLATES.template, {}));
         setTimeout(sendInner, 3000);
     } else {
         sendInner();

modules/brand/status.mustache

 Space is {{#open}}<span class="open">open</span> on <span class="person">{{trigger_person}}</span>{{/open}}
 {{^open}}<span class="closed">closed</span>{{/open}}
 <br>since {{since}}
+<br>
+<img style="width: 470px; height: 310px" src="http://maurudor.de/?rasd={{random}}"></img>

modules/brand/template.mustache

 <img src="/modules/brand/stratum0_logo.svg"><br>
 <h3 data-infodisplay-outlet="status"></h3>
-<img style="width: 470px; height: 310px" src="http://maurudor.de/?rasd={{random}}"></img>