diff --git a/stepmania/src/StepMania.vcproj b/stepmania/src/StepMania.vcproj
index 11d92e8d2c..e546c19342 100644
--- a/stepmania/src/StepMania.vcproj
+++ b/stepmania/src/StepMania.vcproj
@@ -677,6 +677,9 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 			<File
 				RelativePath="GameInput.h">
 			</File>
+			<File
+				RelativePath="GameplayMessages.h">
+			</File>
 			<File
 				RelativePath=".\Grade.cpp">
 			</File>