diff --git a/conf/systemd.service b/conf/systemd.service
index f7517e1..b489e29 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -6,7 +6,8 @@ After=network.target
 
 [Service]
 Type=simple
-User=www-data
+User=__APP__
+Group=__APP__
 RemainAfterExit=yes
 Restart=always
 RestartSec=10
diff --git a/scripts/install b/scripts/install
index 6ddf10b..752d45a 100644
--- a/scripts/install
+++ b/scripts/install
@@ -195,7 +195,7 @@ fi
 # Configure owner
 #=================================================
 
-chown -R www-data $final_path
+chown -R $app:$app "$final_path"
 
 #=================================================
 # Start lstu
diff --git a/scripts/restore b/scripts/restore
index ff4b7c1..dca01b3 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -91,7 +91,7 @@ ynh_psql_connect_as $db_name $db_pwd $db_name < ./db.sql
 #=================================================
 
 # Restore permissions on app files
-chown -R www-data $final_path
+chown -R $app:$app "$final_path"
 
 #=================================================
 # SPECIFIC RESTORATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 9ac91ee..2549c05 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -153,7 +153,7 @@ ynh_store_file_checksum "${final_path}/lstu.conf"
 # SECURING FILES AND DIRECTORIES
 #=================================================
 
-chown -R www-data $final_path
+chown -R $app:$app "$final_path"
 
 #=================================================
 # SETUP SYSTEMD