diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -2888,6 +2888,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\table\string_colours.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\..\objs\langs\table\strings.h"
 				>
 			</File>