diff --git a/include/wx/msw/Makefile.am b/include/wx/msw/Makefile.am
index 59cefefd92..740da653d7 100644
--- a/include/wx/msw/Makefile.am
+++ b/include/wx/msw/Makefile.am
@@ -121,5 +121,6 @@ std.ico \
 tip.ico \
 warning.ico \
 watch1.cur \
+disable.bmp \
 wx.rc