diff --git a/meson.build b/meson.build
index b321d34..a9b52aa 100644
--- a/meson.build
+++ b/meson.build
@@ -29,6 +29,7 @@
 conf_data.set_quoted('FRU_JSONS_DIR', '/usr/share/pldm/fru')
 conf_data.set_quoted('HOST_JSONS_DIR', '/usr/share/pldm/host')
 conf_data.set_quoted('EVENTS_JSONS_DIR', '/usr/share/pldm/events')
+add_project_arguments('-DLIBPLDMRESPONDER', language : ['c','cpp'])
 endif
 if get_option('softoff').enabled()
   conf_data.set('SOFTOFF_TIMEOUT_SECONDS', get_option('softoff-timeout-seconds'))