diff --git a/app/app.py b/app/app.py
index 8beaef5..e3fead4 100644
--- a/app/app.py
+++ b/app/app.py
@@ -29,7 +29,7 @@ Base = declarative_base()
 class User(Base):
     __tablename__ = 'users'
     id = Column(Integer, primary_key=True)
-    username = Column(String, unique=True, nullable=False)
+    username = Column(String, unique=False, nullable=False)
     password = Column(String, nullable=False)
 
 class Asks(Base):