diff --git a/backend/controllers/debatevsbot_controller.go b/backend/controllers/debatevsbot_controller.go
index 95710990..fcbd48b4 100644
--- a/backend/controllers/debatevsbot_controller.go
+++ b/backend/controllers/debatevsbot_controller.go
@@ -209,6 +209,7 @@ func JudgeDebate(c *gin.Context) {
 
 	// Update debate outcome
 	if err := db.UpdateDebateVsBotOutcome(email, result); err != nil {
+		log.Printf("Failed to update debate vs bot outcome for %s: %v", email, err)
 	}
 
 	// Get the latest debate information to extract proper details
diff --git a/backend/db/db.go b/backend/db/db.go
index fb814314..75eb87cf 100644
--- a/backend/db/db.go
+++ b/backend/db/db.go
@@ -70,14 +70,11 @@ func SaveDebateVsBot(debate models.DebateVsBot) error {
 }
 
 // UpdateDebateVsBotOutcome updates the outcome of the most recent bot debate for a user
-func UpdateDebateVsBotOutcome(userId, outcome string) error {
-	filter := bson.M{"userId": userId}
+func UpdateDebateVsBotOutcome(email, outcome string) error {
+	filter := bson.M{"email": email}
 	update := bson.M{"$set": bson.M{"outcome": outcome}}
-	_, err := DebateVsBotCollection.UpdateOne(context.Background(), filter, update, nil)
-	if err != nil {
-		return err
-	}
-	return nil
+	opts := options.FindOneAndUpdate().SetSort(bson.M{"createdAt": -1})
+	return DebateVsBotCollection.FindOneAndUpdate(context.Background(), filter, update, opts).Err()
 }
 
 // GetLatestDebateVsBot retrieves the most recent bot debate for a user