diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -959,6 +959,9 @@
 				RelativePath=".\..\src\airport_gui.cpp">
 			</File>
 			<File
+				RelativePath=".\..\src\autoreplace_gui.cpp">
+			</File>
+			<File
 				RelativePath=".\..\src\bridge_gui.cpp">
 			</File>
 			<File