diff --git a/scripts/upgrade b/scripts/upgrade
index 117c6da..2106bf8 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -51,8 +51,8 @@ ynh_app_setting_set --app="$app" --key=color --value="$color"
 ynh_script_progression --message="Upgrading source files..." --weight=3
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir" --keep="config.php pheditor.php menu.php config.t2t var/pages/main.txt var/pages/todo.txt var/pages/sandbox.txt var/pages/links.txt var/pages/admin.txt"
-
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 \
+    --keep="config.php pheditor.php menu.php config.t2t var/pages/main.txt var/pages/todo.txt var/pages/sandbox.txt var/pages/links.txt var/pages/admin.txt"
 
 chmod -R o-rwx "$install_dir"
 chown -R "$app:www-data" "$install_dir"