diff --git a/ennstatus/templates/base.html b/ennstatus/templates/base.html
--- a/ennstatus/templates/base.html
+++ b/ennstatus/templates/base.html
@@ -24,7 +24,7 @@
   <meta name="twitter:site" content="@FrennVunDerEnn" />
   <meta name="twitter:title" content="Frënn vun der Ënn A.S.B.L." />
   <meta name="twitter:description" content="Luxembourg based non-profit organization defending civil rights on the internet." />
-  <meta name="twitter:image" content="{{ url_for('static', filename='images/logo/FVDE_logo_resize.png') }}" />
+  <meta name="twitter:image" content="{{ url_for('static', filename='images/logo/FVDE_logo_resize.png', _external=True) }}" />
 {% endblock %}
 
 {% block styles %}