diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index 850bd43ad..bd36b940e 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -479,6 +479,7 @@
     <ClInclude Include="..\common\tv_filters\atari_ntsc.hxx" />
     <ClInclude Include="..\common\tv_filters\atari_ntsc_impl.hxx" />
     <ClInclude Include="..\common\tv_filters\NTSCFilter.hxx" />
+    <ClInclude Include="..\common\UniquePtr.hxx" />
     <ClInclude Include="..\common\Variant.hxx" />
     <ClInclude Include="..\common\Vec.hxx" />
     <ClInclude Include="..\common\ZipHandler.hxx" />
diff --git a/src/windows/Stella.vcxproj.filters b/src/windows/Stella.vcxproj.filters
index 24b32c428..4ea431287 100644
--- a/src/windows/Stella.vcxproj.filters
+++ b/src/windows/Stella.vcxproj.filters
@@ -1571,6 +1571,9 @@
     <ClInclude Include="..\gui\JoystickDialog.hxx">
       <Filter>Header Files\gui</Filter>
     </ClInclude>
+    <ClInclude Include="..\common\UniquePtr.hxx">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="stella.ico">