diff --git a/src/siu/sq/lib/daos/dao_comprobantes.php b/src/siu/sq/lib/daos/dao_comprobantes.php
index b88d901ee44ecf291d04725dcb0235b280a74a4e..1b3e858d092e135642fbe7df438a5bb1e42fe1c0 100644
--- a/src/siu/sq/lib/daos/dao_comprobantes.php
+++ b/src/siu/sq/lib/daos/dao_comprobantes.php
@@ -24,6 +24,9 @@ class dao_comprobantes extends dao
 		if(isset($filtro['numero_comprobante'])) {
 			$where .= " AND numero_comprobante = " . $this->quote($filtro['numero_comprobante']);
 		}
+		if(isset($filtro['id_comprobante_relacionado'])) {
+			$where .= " AND id_comprobante_relacionado = " . $this->quote($filtro['id_comprobante_relacionado']);
+		}
 
 		$sql = "SELECT
 					comp.id,