diff --git a/data/cosin.toml b/data/cosin.toml
index fdedd41..944fde2 100644
--- a/data/cosin.toml
+++ b/data/cosin.toml
@@ -24,10 +24,10 @@ location_url = "http://www.villa-ritter.ch/"
 location_city = "Biel"
 
 
-registration_open = false
+registration_open = true
 registration_email = "mampf2019@cosin.ch"
-entrance_fee = "CHF 20"
-food_fee = "CHF 6"
+registration_url = "https://pretix.ccczh.ch/cosin/cosin2019/"
+entrance_fee = "CHF 30"
 
 
 flyer_available = true
diff --git a/themes/cosin-theme/layouts/partials/site-sidebar.de.html b/themes/cosin-theme/layouts/partials/site-sidebar.de.html
index 4765a7f..80ddab1 100644
--- a/themes/cosin-theme/layouts/partials/site-sidebar.de.html
+++ b/themes/cosin-theme/layouts/partials/site-sidebar.de.html
@@ -14,11 +14,7 @@
   {{ end }}
 
   {{ if .location_known }}
-  <strong>Ort:</strong> {{ i18n .location_name }} in <strong>{{ i18n .location_city }}</strong><br/>
-  {{ end }}
-
-  {{ if .registration_open }}
-  <strong>Eintritt:</strong> {{ .entrance_fee }}
+  <strong>Ort:</strong> {{ i18n .location_name }} in <strong>{{ i18n .location_city }}</strong>
   {{ end }}
 </p>
 
@@ -29,7 +25,10 @@
 
 
 {{ if .registration_open }}
-<p><strong>Anmeldung:</strong> <a href="mailto:{{ .registration_email }}">{{ .registration_email }}</a> (nur für Essen)</p>
+<p>
+  <strong>Anmeldung:</strong> <a href="{{ .registration_url }}">Tickets</a><br>
+  <strong>Eintritt:</strong> {{ .entrance_fee }}
+</p>
 {{ end }}
 
 
diff --git a/themes/cosin-theme/layouts/partials/site-sidebar.en.html b/themes/cosin-theme/layouts/partials/site-sidebar.en.html
index dbdc6da..abf6869 100644
--- a/themes/cosin-theme/layouts/partials/site-sidebar.en.html
+++ b/themes/cosin-theme/layouts/partials/site-sidebar.en.html
@@ -14,11 +14,7 @@
   {{ end }}
 
   {{ if .location_known }}
-  <strong>Location:</strong> {{ i18n .location_name }} in <strong>{{ i18n .location_city }}</strong><br/>
-  {{ end }}
-
-  {{ if .registration_open }}
-  <strong>Admission:</strong> {{ .entrance_fee }}
+  <strong>Location:</strong> {{ i18n .location_name }} in <strong>{{ i18n .location_city }}</strong>
   {{ end }}
 </p>
 
@@ -29,7 +25,10 @@
 
 
 {{ if .registration_open }}
-<p><strong>Registration for meals:</strong> <a href="mailto:{{ .registration_email }}">{{ .registration_email }}</a></p>
+<p>
+  <strong>Registration:</strong> <a href="{{ .registration_url }}">Tickets</a><br>
+  <strong>Admission:</strong> {{ .entrance_fee }}
+</p>
 {{ end }}
 
 
diff --git a/themes/cosin-theme/layouts/partials/site-sidebar.fr.html b/themes/cosin-theme/layouts/partials/site-sidebar.fr.html
index 633052e..339cdcf 100644
--- a/themes/cosin-theme/layouts/partials/site-sidebar.fr.html
+++ b/themes/cosin-theme/layouts/partials/site-sidebar.fr.html
@@ -14,11 +14,7 @@
   {{ end }}
 
   {{ if .location_known }}
-  <strong>Lieu:</strong> {{ i18n .location_name }} à <strong>{{ i18n .location_city }}</strong><br/>
-  {{ end }}
-
-  {{ if .registration_open }}
-  <strong>Entrée:</strong> {{ .entrance_fee }}
+  <strong>Lieu:</strong> {{ i18n .location_name }} à <strong>{{ i18n .location_city }}</strong>
   {{ end }}
 </p>
 
@@ -29,7 +25,10 @@
 
 
 {{ if .registration_open }}
-<p><strong>Inscription:</strong> <a href="mailto:{{ .registration_email }}">{{ .registration_email }}</a> (inscription aux repas)</p>
+<p>
+  <strong>Inscription:</strong> <a href="{{ .registration_url }}">Tickets</a><br>
+  <strong>Entrée:</strong> {{ .entrance_fee }}
+</p>
 {{ end }}
 
 
diff --git a/themes/cosin-theme/layouts/partials/site-sidebar.it.html b/themes/cosin-theme/layouts/partials/site-sidebar.it.html
index a8d2304..8edfb05 100644
--- a/themes/cosin-theme/layouts/partials/site-sidebar.it.html
+++ b/themes/cosin-theme/layouts/partials/site-sidebar.it.html
@@ -14,11 +14,7 @@
   {{ end }}
 
   {{ if .location_known }}
-  <strong>Luogo:</strong> {{ i18n .location_name }} a <strong>{{ i18n .location_city }}</strong><br/>
-  {{ end }}
-
-  {{ if .registration_open }}
-  <strong>Costo:</strong> {{ .entrance_fee }}
+  <strong>Luogo:</strong> {{ i18n .location_name }} a <strong>{{ i18n .location_city }}</strong>
   {{ end }}
 </p>
 
@@ -29,7 +25,10 @@
 
 
 {{ if .registration_open }}
-<p><strong>Registrazione:</strong> <a href="mailto:{{ .registration_email }}">{{ .registration_email }}</a> (per i pasti)</p>
+<p>
+  <strong>Registrazione:</strong> <a href="{{ .registration_url }}">Tickets</a><br>
+  <strong>Costo:</strong> {{ .entrance_fee }}
+</p>
 {{ end }}