diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index 7df9fa169..86989ac22 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -233,6 +233,7 @@
     <ClCompile Include="..\common\AudioQueue.cxx" />
     <ClCompile Include="..\common\AudioSettings.cxx" />
     <ClCompile Include="..\common\audio\ConvolutionBuffer.cxx" />
+    <ClCompile Include="..\common\audio\HighPass.cxx" />
     <ClCompile Include="..\common\audio\LanczosResampler.cxx" />
     <ClCompile Include="..\common\audio\SimpleResampler.cxx" />
     <ClCompile Include="..\common\Base.cxx" />
@@ -526,6 +527,7 @@
     <ClInclude Include="..\common\AudioQueue.hxx" />
     <ClInclude Include="..\common\AudioSettings.hxx" />
     <ClInclude Include="..\common\audio\ConvolutionBuffer.hxx" />
+    <ClInclude Include="..\common\audio\HighPass.hxx" />
     <ClInclude Include="..\common\audio\LanczosResampler.hxx" />
     <ClInclude Include="..\common\audio\Resampler.hxx" />
     <ClInclude Include="..\common\audio\SimpleResampler.hxx" />
diff --git a/src/windows/Stella.vcxproj.filters b/src/windows/Stella.vcxproj.filters
index 5ca282fa6..67ecd4f4d 100644
--- a/src/windows/Stella.vcxproj.filters
+++ b/src/windows/Stella.vcxproj.filters
@@ -936,6 +936,9 @@
     <ClCompile Include="..\common\FpsMeter.cxx">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\common\audio\HighPass.cxx">
+      <Filter>Source Files\audio</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\common\bspf.hxx">
@@ -1913,6 +1916,9 @@
     <ClInclude Include="..\common\FpsMeter.hxx">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\common\audio\HighPass.hxx">
+      <Filter>Header Files\audio</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="stella.ico">