--- a/projects/openttd_vs80.vcproj	Tue May 27 10:27:30 2008 +0000
+++ b/projects/openttd_vs80.vcproj	Tue May 27 12:24:23 2008 +0000
@@ -1000,6 +1000,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\engine_gui.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\engine_type.h"
 				>
 			</File>