diff --git a/libs/surfaces/mackie/MSVCardour_mackie/ardour_mackie.vcproj b/libs/surfaces/mackie/MSVCardour_mackie/ardour_mackie.vcproj
index b4f8724c00..c81886b56e 100644
--- a/libs/surfaces/mackie/MSVCardour_mackie/ardour_mackie.vcproj
+++ b/libs/surfaces/mackie/MSVCardour_mackie/ardour_mackie.vcproj
@@ -355,6 +355,10 @@
 					/>
 				</FileConfiguration>
 			</File>
+			<File
+				RelativePath="..\subview.cc"
+				>
+			</File>
 			<File
 				RelativePath="..\surface.cc"
 				>
@@ -433,6 +437,10 @@
 				RelativePath="..\strip.h"
 				>
 			</File>
+			<File
+				RelativePath="..\subview.h"
+				>
+			</File>
 			<File
 				RelativePath="..\surface.h"
 				>