diff --git a/README.md b/README.md
index c8cf202..92793c7 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 Discourse is modern forum software for your community. Use it as a mailing list, discussion forum, long-form chat room, and more!
 
-**Shipped version:** 2.7.13~ynh3
+**Shipped version:** 2.7.13~ynh4
 
 **Demo:** https://try.discourse.org
 
diff --git a/README_fr.md b/README_fr.md
index 7b28e1d..30f792e 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -17,7 +17,7 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 
 Discourse est un logiciel de forum moderne pour votre communauté. Utilisez-le comme liste de diffusion, forum de discussion, salle de discussion longue durée, et plus encore !
 
-**Version incluse :** 2.7.13~ynh3
+**Version incluse :** 2.7.13~ynh4
 
 **Démo :** https://try.discourse.org
 
diff --git a/conf/discourse_defaults.conf b/conf/discourse_defaults.conf
index 3db508b..9747b30 100644
--- a/conf/discourse_defaults.conf
+++ b/conf/discourse_defaults.conf
@@ -193,7 +193,7 @@ connection_reaper_interval = 30
 # set to relative URL (for subdirectory hosting)
 # IMPORTANT: path must not include a trailing /
 # EG: /forum
-relative_url_root = "__PATH__"
+relative_url_root = "__RELATIVE_URL_ROOT__"
 
 # increasing this number will increase redis memory use
 # this ensures backlog (ability of channels to catch up are capped)
diff --git a/manifest.json b/manifest.json
index 77e7e71..89849f8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Discussion platform",
         "fr": "Plateforme de discussion"
     },
-    "version": "2.7.13~ynh3",
+    "version": "2.7.13~ynh4",
     "url": "http://Discourse.org",
     "upstream": {
         "license": "GPL-2.0",
diff --git a/scripts/install b/scripts/install
index 2839254..e333997 100644
--- a/scripts/install
+++ b/scripts/install
@@ -140,6 +140,7 @@ ynh_script_progression --message="Adding a configuration file..."
 admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
 redis_db=$(ynh_redis_get_free_db)
 ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
+relative_url_root=${path_url%/}
 
 ynh_add_config --template="../conf/discourse_defaults.conf" --destination="$final_path/config/discourse.conf"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index cd7476a..98e771a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -206,6 +206,7 @@ then
 	ynh_script_progression --message="Updating a config file..."
 
 	admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
+	relative_url_root=${path_url%/}
 	ynh_add_config --template="../conf/discourse_defaults.conf" --destination="$final_path/config/discourse.conf"
 
 	ynh_add_config --template="../conf/settings.yml" --destination="$final_path/plugins/discourse-ldap-auth/config/settings.yml"