diff --git a/mo/db.py b/mo/db.py
index 429be62a570174315a4717e0e4f746613461449f..ea9218072bcfc878526ac4bf05792a95ead86016 100644
--- a/mo/db.py
+++ b/mo/db.py
@@ -170,6 +170,7 @@ class User(Base):
     last_login_at = Column(DateTime(True))
     reset_at = Column(DateTime(True))
     password_hash = Column(String(255), server_default=text("NULL::character varying"))
+    note = Column(Text, nullable=False, server_default=text("''::text"))
 
     roles = relationship('UserRole', primaryjoin='UserRole.user_id == User.user_id')