diff -r 251d1cd0201e -r 01792a152366 templates/theme.html
--- a/templates/theme.html	Tue May 15 09:57:09 2018 +0200
+++ b/templates/theme.html	Tue May 15 10:00:43 2018 +0200
@@ -61,7 +61,7 @@
                 <span class="icon-bar"></span>
                 <span class="icon-bar"></span>
               </button>
-              <a class="navbar-brand" href="/"><img class="logo" src="/static/images/Forschungszentrum-logo.gif" title="Forschungszentrum Jülich GmbH" alt="logo Forschungszentrum Jülich GmbH" /></a>
+              <a class="navbar-brand" href="/"><img class="logo" src="/static/images/Forschungszentrum-logo.jpg" title="Forschungszentrum Jülich GmbH" alt="logo Forschungszentrum Jülich GmbH" /></a>
             </div>
             <div class="collapse navbar-collapse">
               <ul class="nav navbar-nav navbar-right">