diff --git a/meson.build b/meson.build
index bbe2c33..9cfe9e1 100644
--- a/meson.build
+++ b/meson.build
@@ -43,6 +43,12 @@
 conf_data.set('PLDM', get_option('with-host-communication-protocol')=='pldm')
 conf_data.set('POWER10', get_option('power10-support').allowed())
 
+if get_option('transport-implementation') == 'mctp-demux'
+    conf_data.set('PLDM_TRANSPORT_WITH_MCTP_DEMUX', 1)
+elif get_option('transport-implementation') == 'af-mctp'
+    conf_data.set('PLDM_TRANSPORT_WITH_AF_MCTP', 1)
+endif
+
 if cxx.has_header('poll.h')
     conf_data.set('PLDM_HAS_POLL', 1)
 endif