diff --git a/openair3/COMMON/messages_types.h b/openair3/COMMON/messages_types.h
index 56a16da554b7a0b34e583df2f1a7c48d210016c1..f91881bf114b177ce680da4349ae6fe285ba0e27 100644
--- a/openair3/COMMON/messages_types.h
+++ b/openair3/COMMON/messages_types.h
@@ -38,5 +38,7 @@
 #include "sgw_lite_messages_types.h"
 #include "udp_messages_types.h"
 #include "mme_app_messages_types.h"
+#include "m2ap_messages_types.h"
+
 
 #endif /* MESSAGES_TYPES_H_ */