diff --git a/distrib/msw/tmake/filelist.txt b/distrib/msw/tmake/filelist.txt
index 884f051505..c355ca5904 100644
--- a/distrib/msw/tmake/filelist.txt
+++ b/distrib/msw/tmake/filelist.txt
@@ -1190,6 +1190,7 @@ gdiobj.h	X11H
 glcanvas.h	X11H
 icon.h	X11H
 joystick.h	X11H
+mdi.h	X11H
 minifram.h	X11H
 palette.h	X11H
 pen.h	X11H
@@ -1478,6 +1479,7 @@ choice.h	UnivH
 colschem.h	UnivH
 combobox.h	UnivH
 control.h	UnivH
+dialog.h	UnivH
 frame.h	UnivH
 toplevel.h	UnivH
 gauge.h	UnivH
diff --git a/src/x11/files.lst b/src/x11/files.lst
index 2597f65dd9..65681655a4 100644
--- a/src/x11/files.lst
+++ b/src/x11/files.lst
@@ -514,6 +514,7 @@ ALL_HEADERS = \
 		x11/glcanvas.h \
 		x11/icon.h \
 		x11/joystick.h \
+		x11/mdi.h \
 		x11/minifram.h \
 		x11/palette.h \
 		x11/pen.h \
@@ -534,6 +535,7 @@ ALL_HEADERS = \
 		univ/colschem.h \
 		univ/combobox.h \
 		univ/control.h \
+		univ/dialog.h \
 		univ/frame.h \
 		univ/gauge.h \
 		univ/inpcons.h \