diff --git a/meson.build b/meson.build
index 598ad64..613f9ca 100644
--- a/meson.build
+++ b/meson.build
@@ -27,6 +27,7 @@
 libsdbusplus_src = files(
     'src/async/context.cpp',
     'src/async/match.cpp',
+    'src/async/fdio.cpp',
     'src/bus.cpp',
     'src/bus/match.cpp',
     'src/event.cpp',