diff --git a/scripts/upgrade b/scripts/upgrade
index 7358241..459fb5a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,7 +24,7 @@ ynh_systemd_action --service_name=$app --action="stop"
 ynh_script_progression --message="Upgrading source files..."
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir"
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"