diff --git a/app/models/threads.py b/app/models/threads.py
index 8b731ef..2035229 100644
--- a/app/models/threads.py
+++ b/app/models/threads.py
@@ -157,7 +157,7 @@ class PackageReview(db.Model):
 	recommends = db.Column(db.Boolean, nullable=False)
 
 	thread     = db.relationship("Thread", uselist=False, back_populates="review")
-	votes      = db.relationship("PackageReviewVote", back_populates="review")
+	votes      = db.relationship("PackageReviewVote", back_populates="review", cascade="all, delete, delete-orphan")
 
 	score      = db.Column(db.Integer, nullable=False, default=1)