diff --git a/backend/internal/repository/postgres/postgres.go b/backend/internal/repository/postgres/postgres.go
index a3874c0..982efd7 100644
--- a/backend/internal/repository/postgres/postgres.go
+++ b/backend/internal/repository/postgres/postgres.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/gofrs/uuid/v5"
 	"github.com/jmoiron/sqlx"
+	"github.com/lib/pq"
 
 	"github.com/saveinmed/backend-go/internal/domain"
 )
@@ -984,7 +985,7 @@ func (r *Repository) SellerDashboard(ctx context.Context, sellerID uuid.UUID) (*
 	}
 
 	baseStatuses := []string{string(domain.OrderStatusPaid), string(domain.OrderStatusInvoiced), string(domain.OrderStatusDelivered)}
-	if err := r.db.GetContext(ctx, &sales, `SELECT COALESCE(SUM(total_cents), 0) AS total, COUNT(*) AS orders FROM orders WHERE seller_id = $1 AND status = ANY($2)`, sellerID, baseStatuses); err != nil {
+	if err := r.db.GetContext(ctx, &sales, `SELECT COALESCE(SUM(total_cents), 0) AS total, COUNT(*) AS orders FROM orders WHERE seller_id = $1 AND status = ANY($2::text[])`, sellerID, pq.Array(baseStatuses)); err != nil {
 		return nil, err
 	}
 
@@ -993,11 +994,11 @@ func (r *Repository) SellerDashboard(ctx context.Context, sellerID uuid.UUID) (*
 FROM order_items oi
 JOIN orders o ON o.id = oi.order_id
 JOIN products p ON p.id = oi.product_id
-WHERE o.seller_id = $1 AND o.status = ANY($2)
+WHERE o.seller_id = $1 AND o.status = ANY($2::text[])
 GROUP BY oi.product_id, p.name
 ORDER BY total_quantity DESC
 LIMIT 5`
-	if err := r.db.SelectContext(ctx, &topProducts, topQuery, sellerID, baseStatuses); err != nil {
+	if err := r.db.SelectContext(ctx, &topProducts, topQuery, sellerID, pq.Array(baseStatuses)); err != nil {
 		return nil, err
 	}
 
@@ -1022,7 +1023,7 @@ LIMIT 5`
 
 func (r *Repository) AdminDashboard(ctx context.Context, since time.Time) (*domain.AdminDashboard, error) {
 	var gmv *int64
-	if err := r.db.GetContext(ctx, &gmv, `SELECT COALESCE(SUM(total_cents), 0) FROM orders WHERE status = ANY($1)`, []string{string(domain.OrderStatusPaid), string(domain.OrderStatusInvoiced), string(domain.OrderStatusDelivered)}); err != nil {
+	if err := r.db.GetContext(ctx, &gmv, `SELECT COALESCE(SUM(total_cents), 0) FROM orders WHERE status = ANY($1::text[])`, pq.Array([]string{string(domain.OrderStatusPaid), string(domain.OrderStatusInvoiced), string(domain.OrderStatusDelivered)})); err != nil {
 		return nil, err
 	}
 
@@ -1094,7 +1095,7 @@ SET active = EXCLUDED.active,
 func (r *Repository) ListReviews(ctx context.Context, filter domain.ReviewFilter) ([]domain.Review, int64, error) {
 	baseQuery := `FROM reviews`
 	var args []any
-	
+
 	// Add where clauses if needed in future
 
 	var total int64
@@ -1106,7 +1107,7 @@ func (r *Repository) ListReviews(ctx context.Context, filter domain.ReviewFilter
 		filter.Limit = 20
 	}
 	args = append(args, filter.Limit, filter.Offset)
-	
+
 	listQuery := fmt.Sprintf("SELECT id, order_id, buyer_id, seller_id, rating, comment, created_at %s ORDER BY created_at DESC LIMIT $%d OFFSET $%d", baseQuery, len(args)-1, len(args))
 
 	var reviews []domain.Review
@@ -1119,7 +1120,7 @@ func (r *Repository) ListReviews(ctx context.Context, filter domain.ReviewFilter
 func (r *Repository) ListShipments(ctx context.Context, filter domain.ShipmentFilter) ([]domain.Shipment, int64, error) {
 	baseQuery := `FROM shipments`
 	var args []any
-	
+
 	// Add where clauses if needed in future
 
 	var total int64
@@ -1131,7 +1132,7 @@ func (r *Repository) ListShipments(ctx context.Context, filter domain.ShipmentFi
 		filter.Limit = 20
 	}
 	args = append(args, filter.Limit, filter.Offset)
-	
+
 	listQuery := fmt.Sprintf("SELECT id, order_id, carrier, tracking_code, external_tracking, status, created_at, updated_at %s ORDER BY created_at DESC LIMIT $%d OFFSET $%d", baseQuery, len(args)-1, len(args))
 
 	var shipments []domain.Shipment