diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -1520,11 +1520,11 @@
 				>
 			</File>
 			<File
-				RelativePath=".\..\src\blitter\8bpp_slow.cpp"
+				RelativePath=".\..\src\blitter\8bpp_simple.cpp"
 				>
 			</File>
 			<File
-				RelativePath=".\..\src\blitter\8bpp_slow.hpp"
+				RelativePath=".\..\src\blitter\8bpp_simple.hpp"
 				>
 			</File>
 			<File