diff --git a/conf/config.json b/conf/config.json
index 98b910e..3be79ea 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -198,7 +198,7 @@
     "MaxImageResolution": 33177600,
     "MaxImageDecoderConcurrency": -1,
     "DriverName": "local",
-    "Directory": "__DATA_PATH__",
+    "Directory": "__DATA_DIR__",
     "EnablePublicLink": false,
     "ExtractContent": false,
     "ArchiveRecursion": false,
diff --git a/conf/systemd.service b/conf/systemd.service
index 8ea1d9e..735fe4b 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=Mattermost
+Description=Mattermost: collaboration platform
 After=network.target
 Requires=postgresql.service
 
diff --git a/scripts/install b/scripts/install
index a4b110c..91d06f4 100644
--- a/scripts/install
+++ b/scripts/install
@@ -68,26 +68,16 @@ url=https://$domain$path
 ynh_add_config --template="../conf/config.json" --destination="$install_dir/config/config.json"
 
 #=================================================
-# NGINX CONFIGURATION
+# SYSTEM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Configuring NGINX web server..." --weight=2
+ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_script_progression --message="Configuring a systemd service..." --weight=2
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
 yunohost service add $app --description="Collaboration platform built for developers" --log="/var/log/$app/$app.log"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 6a4fd36..c44216e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -91,7 +91,6 @@ then
   ynh_secure_remove --file="$tmpdir"
 fi
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"