diff --git a/libs/pbd/MSVCpbd/pbd.vcproj b/libs/pbd/MSVCpbd/pbd.vcproj
index 2ebcf18048..92c4723d2a 100644
--- a/libs/pbd/MSVCpbd/pbd.vcproj
+++ b/libs/pbd/MSVCpbd/pbd.vcproj
@@ -664,6 +664,10 @@
 				RelativePath="..\pbd\demangle.h"
 				>
 			</File>
+			<File
+				RelativePath="..\pbd\enum_convert.h"
+				>
+			</File>
 			<File
 				RelativePath="..\pbd\ffs.h"
 				>
@@ -824,6 +828,10 @@
 				RelativePath="..\pbd\transmitter.h"
 				>
 			</File>
+			<File
+				RelativePath="..\pbd\types_convert.h"
+				>
+			</File>
 			<File
 				RelativePath="..\pbd\unknown_type.h"
 				>