diff --git a/openttd.vcproj b/openttd.vcproj
index 9830343e66..046b3a7c32 100644
--- a/openttd.vcproj
+++ b/openttd.vcproj
@@ -299,10 +299,10 @@
 				RelativePath=".\openttd.c">
 			</File>
 			<File
-				RelativePath=".\ottdres.rc">
+				RelativePath=".\os_timer.c">
 			</File>
 			<File
-				RelativePath=".\os_timer.c">
+				RelativePath=".\ottdres.rc">
 			</File>
 			<File
 				RelativePath=".\pathfind.c">
@@ -875,6 +875,9 @@
 			<File
 				RelativePath=".\bridge_map.c">
 			</File>
+			<File
+				RelativePath=".\bridge_map.h">
+			</File>
 			<File
 				RelativePath=".\clear_map.h">
 			</File>
@@ -908,6 +911,9 @@
 			<File
 				RelativePath=".\tunnel_map.h">
 			</File>
+			<File
+				RelativePath=".\unmovable_map.h">
+			</File>
 			<File
 				RelativePath=".\void_map.h">
 			</File>