diff --git a/libs/audiographer/MSVCaudiographer/audiographer.vcproj b/libs/audiographer/MSVCaudiographer/audiographer.vcproj
index 06df86014e..a0baea476d 100644
--- a/libs/audiographer/MSVCaudiographer/audiographer.vcproj
+++ b/libs/audiographer/MSVCaudiographer/audiographer.vcproj
@@ -284,6 +284,10 @@
RelativePath="..\src\general\demo_noise.cc"
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