diff --git a/drm/meson.build b/drm/meson.build
index 7bef11a..47a45cc 100644
--- a/drm/meson.build
+++ b/drm/meson.build
@@ -6,6 +6,7 @@
     'DrmDisplayPipeline.cpp',
     'DrmEncoder.cpp',
     'DrmFbImporter.cpp',
+    'DrmHwc.cpp',
     'DrmMode.cpp',
     'DrmPlane.cpp',
     'DrmProperty.cpp',