diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index caec089170..8fc4f8ba1d 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -747,6 +747,10 @@
 				RelativePath=".\..\src\fiber_win32.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\thread_none.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\tile_map.cpp"
 				>
@@ -1291,6 +1295,10 @@
 				RelativePath=".\..\src\player_type.h"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\querystring_gui.h"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\queue.h"
 				>
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index b84ebdc71a..bab587c4d9 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -744,6 +744,10 @@
 				RelativePath=".\..\src\fiber_win32.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\thread_none.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\tile_map.cpp"
 				>
@@ -1288,6 +1292,10 @@
 				RelativePath=".\..\src\player_type.h"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\querystring_gui.h"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\queue.h"
 				>
diff --git a/source.list b/source.list
index 12da54bdeb..692c15a162 100644
--- a/source.list
+++ b/source.list
@@ -248,6 +248,7 @@ player_face.h
 player_func.h
 player_gui.h
 player_type.h
+querystring_gui.h
 queue.h
 rail.h
 rail_gui.h