diff --git a/libs/ardour/MSVClibardour/ardour.vcproj b/libs/ardour/MSVClibardour/ardour.vcproj
index 624e086601..791c8ffa62 100644
--- a/libs/ardour/MSVClibardour/ardour.vcproj
+++ b/libs/ardour/MSVClibardour/ardour.vcproj
@@ -1404,7 +1404,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\vst_helper.cc"
+				RelativePath="..\vst_state.cc"
 				>
 			</File>
 			<File