diff --git a/src/MANIFEST.in b/src/MANIFEST.in
index c341033de8..a44b01fe71 100644
--- a/src/MANIFEST.in
+++ b/src/MANIFEST.in
@@ -13,6 +13,8 @@ include xpra/x11/gtk3/gdk_x11_macros.h
 include xpra/codecs/cuda_common/*.cu
 include xpra/codecs/v4l2/video.h
 include xpra/codecs/dec_avcodec2/register_compat.*
+include xpra/platform/win32/setappid.cpp
+include xpra/platform/win32/setappid.h
 recursive-include html5 *
 recursive-include content-categories *
 recursive-include content-type *