diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 4f38c29f56c..940a6b8ac09 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -125,7 +125,7 @@
          ignored, which gives us the desired effect. -->
     <When Condition=" '$(OS)' != 'Unix' ">
       <ItemGroup>
-        <Content Include="..\..\..\vsprojects\Debug-DLL\grpc_csharp_ext.dll">
+        <Content Include="..\..\..\vsprojects\Debug\grpc_csharp_ext.dll">
           <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </Content>
       </ItemGroup>