diff --git a/tile.c b/tile.c
index f8641ca985..d52cf460df 100644
--- a/tile.c
+++ b/tile.c
@@ -1,3 +1,4 @@
+#include "stdafx.h"
 #include "tile.h"
 
 void SetMapExtraBits(TileIndex tile, byte bits)
diff --git a/ttd.dsp b/ttd.dsp
index 2716cd1682..3f4a8b5dbd 100644
--- a/ttd.dsp
+++ b/ttd.dsp
@@ -341,6 +341,10 @@ SOURCE=.\strings.c
 SOURCE=.\texteff.c
 # End Source File
 
+# Begin Source File
+SOURCE=.\tile.c
+# End Source File
+
 # Begin Source File
 SOURCE=.\ttd.c
 # End Source File
@@ -529,6 +533,10 @@ SOURCE=.\station.h
 SOURCE=.\StdAfx.h
 # End Source File
 
+# Begin Source File
+SOURCE=.\tile.h
+# End Source File
+
 # Begin Source File
 SOURCE=.\town.h
 # End Source File
diff --git a/ttd.vcproj b/ttd.vcproj
index 7023f7d90f..0718b90dfb 100644
--- a/ttd.vcproj
+++ b/ttd.vcproj
@@ -907,6 +907,9 @@
 						BasicRuntimeChecks="3"/>
 				</FileConfiguration>
 			</File>
+			<File
+				RelativePath=".\tile.c">
+			</File>
 			<File
 				RelativePath="ttd.c">
 				<FileConfiguration
@@ -1238,6 +1241,9 @@
 			<File
 				RelativePath="StdAfx.h">
 			</File>
+			<File
+				RelativePath=".\tile.h">
+			</File>
 			<File
 				RelativePath=".\town.h">
 			</File>