diff --git a/src/shapesdemo/ShapesDemo.cpp b/src/shapesdemo/ShapesDemo.cpp
index ad159a0..d069a0d 100644
--- a/src/shapesdemo/ShapesDemo.cpp
+++ b/src/shapesdemo/ShapesDemo.cpp
@@ -23,6 +23,7 @@
 
 #include <fastdds/config.h> // FASTDDS_STATISTICS availability
 #include <fastdds/dds/domain/qos/DomainParticipantQos.hpp>
+#include <fastdds/rtps/common/CDRMessage_t.h>
 #include <fastdds/rtps/transport/shared_mem/SharedMemTransportDescriptor.h>
 #include <fastdds/rtps/transport/TCPv4TransportDescriptor.h>
 #include <fastdds/rtps/transport/UDPv4TransportDescriptor.h>