diff --git a/MSVCardour3/Ardour3.vcproj b/MSVCardour3/Ardour3.vcproj
index 55a18c97e7..03f91ecef0 100644
--- a/MSVCardour3/Ardour3.vcproj
+++ b/MSVCardour3/Ardour3.vcproj
@@ -967,6 +967,10 @@
 				RelativePath="..\gtk2_ardour\patch_change_widget.cc"
 				>
 			</File>
+			<File
+				RelativePath="..\gtk2_ardour\piano_key_bindings.cc"
+				>
+			</File>
 			<File
 				RelativePath="..\gtk2_ardour\piano_roll_header.cc"
 				>
@@ -2069,6 +2073,10 @@
 				RelativePath="..\gtk2_ardour\patch_change_widget.h"
 				>
 			</File>
+			<File
+				RelativePath="..\gtk2_ardour\piano_key_bindings.h"
+				>
+			</File>
 			<File
 				RelativePath="..\gtk2_ardour\piano_roll_header.h"
 				>