diff --git a/backend/app/models/user.py b/backend/app/models/user.py
index 11f1d76..99e3001 100644
--- a/backend/app/models/user.py
+++ b/backend/app/models/user.py
@@ -18,5 +18,5 @@ class User(Base):
     created_at = Column(DateTime, default=datetime.utcnow)
     updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
     
-    # Relationships
-    chores = relationship("Chore", back_populates="assigned_user")
+    # Relationships (lazy loaded to avoid circular imports)
+    chores = relationship("Chore", back_populates="assigned_user", lazy="select")