diff --git a/data.sql b/data.sql
index 09f9311..9c9eb07 100644
--- a/data.sql
+++ b/data.sql
@@ -90,14 +90,14 @@ CREATE TABLE
 		status notification_services_status DEFAULT 'pending',
 		notification_id UUID REFERENCES notifications (id) ON DELETE CASCADE
 	);
-
+			
 CREATE TABLE
 	IF NOT EXISTS notifications_achievements (
 		id UUID PRIMARY KEY DEFAULT uuid_generate_v4 (),
-		achievement_user_id UUID REFERENCES notifications (id) ON DELETE CASCADE
+		achievement_user_id UUID REFERENCES user_achievements (id) ON DELETE CASCADE,
+		notification_id UUID REFERENCES notifications (id) ON DELETE CASCADE
 	);
 
-
 CREATE OR REPLACE FUNCTION update_updated_at_column()
 RETURNS TRIGGER AS $$
 BEGIN
@@ -169,4 +169,4 @@ VALUES
 		'Community Cohesion: Engage in 5 Vibrant Service Interactions',
 		'get 5 services accepted. ',
 		100
-	);
\ No newline at end of file
+	);