diff --git a/backend/src/db.js b/backend/src/db.js
index bbc3c0c..740ec55 100644
--- a/backend/src/db.js
+++ b/backend/src/db.js
@@ -94,6 +94,11 @@ const cols = db.prepare("PRAGMA table_info(calculations)").all().map(r => r.name
 if (!cols.includes('image'))     db.exec("ALTER TABLE calculations ADD COLUMN image TEXT");
 if (!cols.includes('bemerkung')) db.exec("ALTER TABLE calculations ADD COLUMN bemerkung TEXT NOT NULL DEFAULT ''");
 
+// Migrationen orders
+const ordCols = db.prepare("PRAGMA table_info(orders)").all().map(r => r.name);
+if (!ordCols.includes('bezahlt'))    db.exec("ALTER TABLE orders ADD COLUMN bezahlt INTEGER NOT NULL DEFAULT 0");
+if (!ordCols.includes('bezahlt_am')) db.exec("ALTER TABLE orders ADD COLUMN bezahlt_am DATETIME");
+
 // Migrationen order_items
 const oiCols = db.prepare("PRAGMA table_info(order_items)").all().map(r => r.name);
 if (!oiCols.includes('custom_price'))    db.exec("ALTER TABLE order_items ADD COLUMN custom_price REAL");