diff --git a/src/transport/meson.build b/src/transport/meson.build
index 1a2acc9..1fcc06a 100644
--- a/src/transport/meson.build
+++ b/src/transport/meson.build
@@ -1,4 +1,5 @@
 libpldm_sources += files(
+  'af-mctp.c',
   'mctp-demux.c',
   'transport.c'
 )