diff --git a/libs/ardour/MSVClibardour/ardour.vcproj b/libs/ardour/MSVClibardour/ardour.vcproj
index 8d1707846a..687769436b 100644
--- a/libs/ardour/MSVClibardour/ardour.vcproj
+++ b/libs/ardour/MSVClibardour/ardour.vcproj
@@ -1024,6 +1024,10 @@
 					/>
 				</FileConfiguration>
 			</File>
+			<File
+				RelativePath="..\session_bundles.cc"
+				>
+			</File>
 			<File
 				RelativePath="..\session_butler.cc"
 				>