diff --git a/src/cpp/fastdds/domain/DomainParticipantFactory.cpp b/src/cpp/fastdds/domain/DomainParticipantFactory.cpp
index 7e837332dd9..da4989e16a4 100644
--- a/src/cpp/fastdds/domain/DomainParticipantFactory.cpp
+++ b/src/cpp/fastdds/domain/DomainParticipantFactory.cpp
@@ -157,6 +157,8 @@ DomainParticipant* DomainParticipantFactory::create_participant(
 {
     load_profiles();
 
+    RTPSDomain::set_filewatch_thread_config(factory_qos_.file_watch_threads(), factory_qos_.file_watch_threads());
+    
     const DomainParticipantQos& pqos = (&qos == &PARTICIPANT_QOS_DEFAULT) ? default_participant_qos_ : qos;
 
     DomainParticipant* dom_part = new DomainParticipant(mask);