diff --git a/libs/gtkmm2ext/MSVCgtkmm2ext/gtkmm2ext.vcproj b/libs/gtkmm2ext/MSVCgtkmm2ext/gtkmm2ext.vcproj
index 1b860a065e..3c8535809c 100644
--- a/libs/gtkmm2ext/MSVCgtkmm2ext/gtkmm2ext.vcproj
+++ b/libs/gtkmm2ext/MSVCgtkmm2ext/gtkmm2ext.vcproj
@@ -269,6 +269,10 @@
 				RelativePath="..\application.cc"
 				>
 			</File>
+			<File
+				RelativePath="..\ardour_icon.cc"
+				>
+			</File>
 			<File
 				RelativePath="..\auto_spin.cc"
 				>
@@ -463,6 +467,10 @@
 				RelativePath="..\gtkmm2ext\application.h"
 				>
 			</File>
+			<File
+				RelativePath="..\gtkmm2ext\ardour_icon.h"
+				>
+			</File>
 			<File
 				RelativePath="..\gtkmm2ext\auto_spin.h"
 				>