diff --git a/backend/internal/services/notification_service.go b/backend/internal/services/notification_service.go
index ad0e551..162ed52 100644
--- a/backend/internal/services/notification_service.go
+++ b/backend/internal/services/notification_service.go
@@ -38,7 +38,7 @@ func (s *NotificationService) ListNotifications(ctx context.Context, userID stri
 	}
 	defer rows.Close()
 
-	var notifications []models.Notification
+	notifications := []models.Notification{}
 	for rows.Next() {
 		var n models.Notification
 		if err := rows.Scan(
diff --git a/backend/internal/services/ticket_service.go b/backend/internal/services/ticket_service.go
index 67d67fc..a87cd74 100644
--- a/backend/internal/services/ticket_service.go
+++ b/backend/internal/services/ticket_service.go
@@ -48,7 +48,7 @@ func (s *TicketService) ListTickets(ctx context.Context, userID string) ([]model
 	}
 	defer rows.Close()
 
-	var tickets []models.Ticket
+	tickets := []models.Ticket{}
 	for rows.Next() {
 		var t models.Ticket
 		if err := rows.Scan(
@@ -92,7 +92,7 @@ func (s *TicketService) GetTicket(ctx context.Context, ticketID string, userID s
 	}
 	defer rows.Close()
 
-	var messages []models.TicketMessage
+	messages := []models.TicketMessage{}
 	for rows.Next() {
 		var m models.TicketMessage
 		if err := rows.Scan(