diff --git a/src/dbus/meson.build b/src/dbus/meson.build
index c1c41d673eba8273bc0552d174c153f2c4aba148..7a0c479ac20eb9504bd6c1a78d0e37498aa446e2 100644
--- a/src/dbus/meson.build
+++ b/src/dbus/meson.build
@@ -220,5 +220,5 @@ targets = gnome.gdbus_codegen(
   object_manager: true,
   namespace: 'PhoshIdleDBus',
 )
-generated_dbus_headers += targets[0]
-generated_dbus_sources += targets[1]
+generated_dbus_sources += targets[0]
+generated_dbus_headers += targets[1]