diff --git a/openttd.dsp b/openttd.dsp
index a8ec904d35..3ad60b977c 100644
--- a/openttd.dsp
+++ b/openttd.dsp
@@ -538,6 +538,10 @@ SOURCE=.\aystar.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\clear.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\command.h
 # End Source File
 # Begin Source File
@@ -682,6 +686,10 @@ SOURCE=.\rail.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\road.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\saveload.h
 # End Source File
 # Begin Source File
@@ -730,6 +738,10 @@ SOURCE=.\town.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\train.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\variables.h
 # End Source File
 # Begin Source File
@@ -746,6 +758,10 @@ SOURCE=.\viewport.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\void.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\waypoint.h
 # End Source File
 # Begin Source File
diff --git a/openttd.vcproj b/openttd.vcproj
index b4f79e0928..75104eea8c 100644
--- a/openttd.vcproj
+++ b/openttd.vcproj
@@ -404,6 +404,9 @@
 			<File
 				RelativePath=".\aystar.h">
 			</File>
+			<File
+				RelativePath=".\clear.h">
+			</File>
 			<File
 				RelativePath=".\command.h">
 			</File>
@@ -533,6 +536,9 @@
 			<File
 				RelativePath=".\rail.h">
 			</File>
+			<File
+				RelativePath=".\road.h">
+			</File>
 			<File
 				RelativePath=".\saveload.h">
 			</File>
@@ -575,6 +581,9 @@
 			<File
 				RelativePath=".\town.h">
 			</File>
+			<File
+				RelativePath=".\train.h">
+			</File>
 			<File
 				RelativePath=".\variables.h">
 			</File>
@@ -587,6 +596,9 @@
 			<File
 				RelativePath=".\viewport.h">
 			</File>
+			<File
+				RelativePath=".\void.h">
+			</File>
 			<File
 				RelativePath=".\waypoint.h">
 			</File>