diff --git a/libs/ardour/MSVClibardour/ardour.vcproj b/libs/ardour/MSVClibardour/ardour.vcproj
index 540b804ebb..26d5626644 100644
--- a/libs/ardour/MSVClibardour/ardour.vcproj
+++ b/libs/ardour/MSVClibardour/ardour.vcproj
@@ -283,6 +283,10 @@
 				RelativePath="..\analyser.cc"
 				>
 			</File>
+			<File
+				RelativePath="..\analysis_graph.cc"
+				>
+			</File>
 			<File
 				RelativePath="..\async_midi_port.cc"
 				>
@@ -1361,6 +1365,10 @@
 				RelativePath="..\ardour\analyser.h"
 				>
 			</File>
+			<File
+				RelativePath="..\ardour\analysis_graph.h"
+				>
+			</File>
 			<File
 				RelativePath="..\ardour\ardour.h"
 				>