diff --git a/openttd.vcproj b/openttd.vcproj
index 8b5bfff2db..042e371519 100644
--- a/openttd.vcproj
+++ b/openttd.vcproj
@@ -595,6 +595,9 @@
 			<File
 				RelativePath=".\rail.h">
 			</File>
+			<File
+				RelativePath=".\resize_window_widgets.h"
+			</File>
 			<File
 				RelativePath=".\saveload.h">
 			</File>
diff --git a/openttd_vs80.vcproj b/openttd_vs80.vcproj
index 483acb7405..fabeba1400 100644
--- a/openttd_vs80.vcproj
+++ b/openttd_vs80.vcproj
@@ -1087,6 +1087,10 @@
 				RelativePath=".\rail.h"
 				>
 			</File>
+			<File
+				RelativePath=".\resize_window_widgets.h"
+				>
+			</File>
 			<File
 				RelativePath=".\road.h"
 				>