diff --git a/backend/pkg/api/data_access/vdb_summary.go b/backend/pkg/api/data_access/vdb_summary.go
index 0927696ef..a8165344a 100644
--- a/backend/pkg/api/data_access/vdb_summary.go
+++ b/backend/pkg/api/data_access/vdb_summary.go
@@ -526,7 +526,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 		var totalMissedRewardsEl float64
 
 		// Define the `targets` CTE
-		targets := goqu.
+		targets := goqu.Dialect("postgres").
 			From("blocks").
 			Select(goqu.I("blocks.slot").As("slot")).
 			Where(
@@ -580,7 +580,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 			Select(goqu.L("COALESCE(SUM(v), 0)"))
 
 		// Generate SQL and arguments
-		sql, args, err := query.ToSQL()
+		sql, args, err := query.Prepared(true).ToSQL()
 		if err != nil {
 			return 0, fmt.Errorf("failed to generate SQL: %w", err)
 		}