diff --git a/distrib/msw/tmake/filelist.txt b/distrib/msw/tmake/filelist.txt
index 1bbeb0367c..295d7ebb5f 100644
--- a/distrib/msw/tmake/filelist.txt
+++ b/distrib/msw/tmake/filelist.txt
@@ -1223,7 +1223,7 @@ toplevel.h	MSWH
 treectrl.h	MSWH
 wave.h	MSWH
 window.h	MSWH
-winundef.h	MSWH
+winundef.h	MSWH	Base
 
 automtn.h	MSWH	OLE
 dataform.h	MSWH	OLE
diff --git a/src/files.lst b/src/files.lst
index 141958b90f..84f8250958 100644
--- a/src/files.lst
+++ b/src/files.lst
@@ -1,4 +1,4 @@
-# This file was automatically generated by tmake at 11:19, 2001/12/15
+# This file was automatically generated by tmake at 14:05, 2002/01/09
 # DO NOT CHANGE THIS FILE, YOUR CHANGES WILL BE LOST! CHANGE BASE.T!
 ALL_SOURCES = \
 		common/init.cpp \
@@ -169,6 +169,7 @@ ALL_HEADERS = \
 		unix/mimetype.h \
 		msw/dde.h \
 		msw/mimetype.h \
+		msw/winundef.h \
 		protocol/file.h \
 		protocol/ftp.h \
 		protocol/http.h \
diff --git a/src/wxBase.dsp b/src/wxBase.dsp
index fd167cf465..80722c1958 100644
--- a/src/wxBase.dsp
+++ b/src/wxBase.dsp
@@ -972,6 +972,10 @@ SOURCE=..\include\wx\msw\dde.h
 
 SOURCE=..\include\wx\msw\mimetype.h
 # End Source File
+# Begin Source File
+
+SOURCE=..\include\wx\msw\winundef.h
+# End Source File
 
 # End Group
 # End Group