diff --git a/projects/openttd.vcproj b/projects/openttd.vcproj
index 3b2d8268ac..e395f48423 100644
--- a/projects/openttd.vcproj
+++ b/projects/openttd.vcproj
@@ -974,10 +974,10 @@
RelativePath=".\..\src\blitter\8bpp_optimized.hpp">
+ RelativePath=".\..\src\blitter\8bpp_simple.cpp">
+ RelativePath=".\..\src\blitter\8bpp_simple.hpp">
diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index c9ffd5aee3..eee9ba6e4e 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -1520,11 +1520,11 @@
>