diff --git a/scripts/change_url b/scripts/change_url
index 9772cbd..c42a529 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -38,10 +38,10 @@ fi
 
 domain=$new_domain
 
-ynh_add_config --template="../conf/app.ini" --destination="$final_path/custom/conf/app.ini"
+ynh_add_config --template="../conf/app.ini" --destination="$install_dir/custom/conf/app.ini"
 
-chmod 400 "$final_path/custom/conf/app.ini"
-chown $app:$app "$final_path/custom/conf/app.ini"
+chmod 400 "$install_dir/custom/conf/app.ini"
+chown $app:$app "$install_dir/custom/conf/app.ini"
 
 #=================================================
 # GENERIC FINALISATION