diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -856,10 +856,6 @@
 				>
 			</File>
 			<File
-				RelativePath=".\..\src\hal.h"
-				>
-			</File>
-			<File
 				RelativePath=".\..\src\heightmap.h"
 				>
 			</File>
@@ -1605,6 +1601,22 @@
 			</File>
 		</Filter>
 		<Filter
+			Name="Drivers"
+			>
+			<File
+				RelativePath=".\..\src\music\music_driver.hpp"
+				>
+			</File>
+			<File
+				RelativePath=".\..\src\sound\sound_driver.hpp"
+				>
+			</File>
+			<File
+				RelativePath=".\..\src\video\video_driver.hpp"
+				>
+			</File>
+		</Filter>
+		<Filter
 			Name="Sprite loaders"
 			>
 			<File