diff --git a/scripts/install b/scripts/install
index 7f96e3d..f01d7c4 100644
--- a/scripts/install
+++ b/scripts/install
@@ -56,8 +56,7 @@ ynh_script_progression --message="Validating installation parameters..." --weigh
 
 ### If the app uses NGINX as web server (written in HTML/PHP in most cases), the final path should be "/var/www/$app".
 ### If the app provides an internal web server (or uses another application server such as uWSGI), the final path should be "/opt/yunohost/$app"
-final_path=/var/www/$app
-test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
+test ! -e "$install_dir" || ynh_die --message="This path already contains a folder"
 
 # Register (book) web path
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
@@ -112,7 +111,7 @@ ynh_install_app_dependencies $pkg_dependencies
 ynh_script_progression --message="Configuring system user..." --weight=1
 
 # Create a system user
-ynh_system_user_create --username=$app --home_dir="$final_path"
+ynh_system_user_create --username=$app --home_dir="$install_dir"
 
 #=================================================
 # CREATE A POSTGRESQL DATABASE
@@ -135,9 +134,9 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 ### downloaded from an upstream source, like a git repository.
 ### `ynh_setup_source` use the file conf/app.src
 
-ynh_app_setting_set --app=$app --key=final_path --value=$final_path
+ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$final_path"
+ynh_setup_source --dest_dir="$install_dir"
 
 # FIXME: this should be managed by the core in the future
 # Here, as a packager, you may have to tweak the ownerhsip/permissions
@@ -145,9 +144,9 @@ ynh_setup_source --dest_dir="$final_path"
 # files in some cases.
 # But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
 # this will be treated as a security issue.
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -165,8 +164,8 @@ ynh_add_nginx_config
 # Configuration files
 #=================================================
 
-config="$final_path/.config"
-env_file="$final_path/.env"
+config="$install_dir/.config"
+env_file="$install_dir/.env"
 
 export MIX_ENV=prod FLAVOUR=classic
 
@@ -205,7 +204,7 @@ ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc mix release
 #=================================================
 # Run the release
 #=================================================
-release_folder="$final_path/_build/prod/rel/bonfire/"
+release_folder="$install_dir/_build/prod/rel/bonfire/"
 
 # Database created before, let's run the migrations
 ynh_exec_warn_less ynh_exec_as $app -s $SHELL -lc "$release_folder/bin/bonfire eval 'EctoSparkles.Migrator.migrate()'"