diff --git a/app/models/transaction.py b/app/models/transaction.py
index b11a6f5..aba47bf 100644
--- a/app/models/transaction.py
+++ b/app/models/transaction.py
@@ -9,8 +9,8 @@ class Transaction(db.Model):
     #     primary_key=True,
     #     autoincrement=True,
     # )
-    #id = db.Column(db.Int, primary_key=True)
-    id = db.Column(db.String(50), nullable=False)
+    id = db.Column(db.String(50), primary_key=True)
+    #id = db.Column(db.String(50), nullable=False)
     account_id = db.Column(db.String(50), nullable=False)
     type = db.Column(db.String(50), nullable=False)
     channel = db.Column(db.String(50), nullable=False)