diff --git a/conf/systemd.service b/conf/systemd.service
index adf2e25..8d1a42d 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -7,7 +7,7 @@ Requires=postgresql.service redis.service
 Type=simple
 User=__APP__
 Group=__APP__
-WorkingDirectory=/opt/__APP__
+WorkingDirectory=/opt/__APP__/
 ExecStart=/opt/__APP__/vikunja
 RestartSec=2s
 Restart=always
diff --git a/scripts/backup b/scripts/backup
index dc376db..f8b20e9 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -24,6 +24,7 @@ ynh_print_info --message="Loading installation settings..."
 app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+backend_path=$(ynh_app_setting_get --app=$app --key=backend_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
@@ -40,7 +41,7 @@ ynh_print_info --message="Declaring files to be backed up..."
 ynh_backup --src_path="$final_path"
 
 # Backend
-ynh_backup --src_path="/opt/$app"
+ynh_backup --src_path="$backend_path"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/change_url b/scripts/change_url
index 4fefeca..9216339 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,6 +28,7 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+backend_path=$(ynh_app_setting_get --app=$app --key=backend_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
@@ -117,9 +118,9 @@ ynh_script_progression --message="Adding a configuration file..." --weight=1
 domain="$new_domain"
 path="$new_path"
 redis_db=$(ynh_redis_get_free_db)
-ynh_add_config --template="../conf/config.yml" --destination="/etc/$app/config.yml"
+ynh_add_config --template="../conf/config.yml" --destination="$backend_path/config.yml"
 
-chmod 600 "/etc/$app/config.yml"
+chmod 600 "$backend_path/config.yml"
 
 #=================================================
 # GENERIC FINALISATION
diff --git a/scripts/install b/scripts/install
index 5e9977e..6cce381 100644
--- a/scripts/install
+++ b/scripts/install
@@ -37,6 +37,7 @@ enable_registration="true"
 ynh_script_progression --message="Validating installation parameters..." --weight=1
 
 final_path=/var/www/$app
+backend_path=/opt/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
 
 # Register (book) web path
@@ -107,16 +108,18 @@ chown -R $app:www-data "$final_path"
 #=================================================
 ynh_script_progression --message="Setting up backend..." --weight=1
 
+ynh_app_setting_set --app=$app --key=backend_path --value=$backend_path
+
 # Download, check integrity, uncompress and patch the source from app.src
-mkdir -p "/opt/$app"
-mkdir -p "/opt/$app/files"
+mkdir -p "$backend_path"
+mkdir -p "$backend_path/files"
 tempdir="$(mktemp -d)"
 ynh_setup_source --dest_dir=$tempdir --source_id=$YNH_ARCH
 back="$(find $tempdir -name "vikunja-*" \! -name "*.sha256")"
-cp "$back" "/opt/$app/vikunja"
+cp "$back" "$backend_path/vikunja"
 
-chmod +x "/opt/$app/vikunja"
-chown -R $app:www-data "/opt/$app/files"
+chmod +x "$backend_path/vikunja"
+chown -R $app:www-data "$backend_path/files"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -132,10 +135,10 @@ ynh_add_nginx_config
 ynh_script_progression --message="Adding a configuration file..." --weight=1
 
 redis_db=$(ynh_redis_get_free_db)
-ynh_add_config --template="../conf/config.yml" --destination="/opt/$app/config.yml"
+ynh_add_config --template="../conf/config.yml" --destination="$backend_path/config.yml"
 
-chmod 400 "/opt/$app/config.yml"
-chown $app:$app "/opt/$app/config.yml"
+chmod 400 "$backend_path/config.yml"
+chown $app:$app "$backend_path/config.yml"
 
 #=================================================
 # SETUP SYSTEMD
diff --git a/scripts/remove b/scripts/remove
index 049da87..4c7d338 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -19,6 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 port=$(ynh_app_setting_get --app=$app --key=port)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+backend_path=$(ynh_app_setting_get --app=$app --key=backend_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 
@@ -74,6 +75,9 @@ ynh_script_progression --message="Removing $app main directory..." --weight=6
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
 
+# Remove backend
+ynh_secure_remove --file="$backend_path"
+
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
@@ -92,14 +96,6 @@ ynh_script_progression --message="Removing the dedicated system user..." --weigh
 # Delete a system user
 ynh_system_user_delete --username=$app
 
-#=================================================
-# REMOVE BACKEND
-#=================================================
-ynh_script_progression --message="Removing backend..." --weight=1
-
-# Delete /opt/vikunja
-ynh_secure_remove --file="/opt/$app"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 12bc9d8..f1ba73f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -26,6 +26,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+backend_path=$(ynh_app_setting_get --app=$app --key=backend_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
@@ -66,9 +67,9 @@ chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 
 # Backend
-ynh_restore_file --origin_path="/opt/$app"
-chmod +x "/opt/$app/vikunja"
-chown -R $app:www-data "/opt/$app/files"
+ynh_restore_file --origin_path="$backend_path"
+chmod +x "$backend_path/vikunja"
+chown -R $app:www-data "$backend_path/files"
 
 #=================================================
 # REINSTALL DEPENDENCIES
diff --git a/scripts/upgrade b/scripts/upgrade
index cde8496..8ff1b15 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,6 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+backend_path=$(ynh_app_setting_get --app=$app --key=backend_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
@@ -103,21 +104,21 @@ then
 
 	# Download, check integrity, uncompress and patch the source from app.src
 	# Frontend
-	ynh_setup_source --dest_dir="$final_path" --source_id="front" --keep="/etc/$app/config.yml"
+	ynh_setup_source --dest_dir="$final_path" --source_id="front"
 	
 	# Backend
-	mkdir -p "/opt/$app/files"
+	mkdir -p "$backend_path/files"
 	tempdir="$(mktemp -d)"
 	ynh_setup_source --dest_dir=$tempdir --source_id=$YNH_ARCH
 	back="$(find $tempdir -name "vikunja-*" \! -name "*.sha256")"
-	cp "$back" "/opt/$app/vikunja"
+	cp "$back" "$backend_path/vikunja"
 fi
 
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
-chmod +x "/opt/$app/vikunja"
-chown -R $app:www-data "/opt/$app/files"
+chmod +x "$backend_path/vikunja"
+chown -R $app:www-data "$backend_path/files"
 
 #=================================================
 # NGINX CONFIGURATION