diff --git a/libs/ardour/MSVClibardour/ardour.vcproj b/libs/ardour/MSVClibardour/ardour.vcproj
index 527f62edc1..724d1b1c34 100644
--- a/libs/ardour/MSVClibardour/ardour.vcproj
+++ b/libs/ardour/MSVClibardour/ardour.vcproj
@@ -1837,6 +1837,14 @@
 				RelativePath="..\ardour\panner_shell.h"
 				>
 			</File>
+			<File
+				RelativePath="..\ardour\parameter_descriptor.h"
+				>
+			</File>
+			<File
+				RelativePath="..\ardour\parameter_types.h"
+				>
+			</File>
 			<File
 				RelativePath="..\ardour\pcm_utils.h"
 				>
@@ -2201,6 +2209,10 @@
 				RelativePath="..\ardour\utils.h"
 				>
 			</File>
+			<File
+				RelativePath="..\ardour\value_as_string.h"
+				>
+			</File>
 			<File
 				RelativePath="..\ardour\variant.h"
 				>