diff --git a/prosopopee/themes/exposure/templates/opengraph.html b/prosopopee/themes/exposure/templates/opengraph.html
index f2e75d1..b1b5638 100644
--- a/prosopopee/themes/exposure/templates/opengraph.html
+++ b/prosopopee/themes/exposure/templates/opengraph.html
@@ -1,5 +1,5 @@
 
-{% set absolute_url = settings.url + "/" + name %}
+{% set absolute_url = settings.url + "/" + name + "/" %}
 <meta property="og:title" content="{{ gallery.title }}"/>
 <meta property="og:image" content="{{ absolute_url }}{{ gallery.cover }}"/>
 <meta property="og:site_name" content="{{ settings.title }}"/>
diff --git a/prosopopee/themes/light/templates/opengraph.html b/prosopopee/themes/light/templates/opengraph.html
index f2e75d1..b1b5638 100644
--- a/prosopopee/themes/light/templates/opengraph.html
+++ b/prosopopee/themes/light/templates/opengraph.html
@@ -1,5 +1,5 @@
 
-{% set absolute_url = settings.url + "/" + name %}
+{% set absolute_url = settings.url + "/" + name + "/" %}
 <meta property="og:title" content="{{ gallery.title }}"/>
 <meta property="og:image" content="{{ absolute_url }}{{ gallery.cover }}"/>
 <meta property="og:site_name" content="{{ settings.title }}"/>
diff --git a/prosopopee/themes/material/templates/opengraph.html b/prosopopee/themes/material/templates/opengraph.html
index f2e75d1..b1b5638 100644
--- a/prosopopee/themes/material/templates/opengraph.html
+++ b/prosopopee/themes/material/templates/opengraph.html
@@ -1,5 +1,5 @@
 
-{% set absolute_url = settings.url + "/" + name %}
+{% set absolute_url = settings.url + "/" + name + "/" %}
 <meta property="og:title" content="{{ gallery.title }}"/>
 <meta property="og:image" content="{{ absolute_url }}{{ gallery.cover }}"/>
 <meta property="og:site_name" content="{{ settings.title }}"/>