diff --git a/test/vs2022/etl.vcxproj.filters b/test/vs2022/etl.vcxproj.filters
index ffd8a194..def497e8 100644
--- a/test/vs2022/etl.vcxproj.filters
+++ b/test/vs2022/etl.vcxproj.filters
@@ -1542,6 +1542,24 @@
     <ClInclude Include="..\..\include\etl\const_basic_string.h">
       <Filter>ETL\Strings</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\include\etl\const_string.h">
+      <Filter>ETL\Strings</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\const_wstring.h">
+      <Filter>ETL\Strings</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\const_u16string.h">
+      <Filter>ETL\Strings</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\const_u32string.h">
+      <Filter>ETL\Strings</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\const_u8string.h">
+      <Filter>ETL\Strings</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\etl\const_basic_string.h">
+      <Filter>ETL\Strings</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\test_string_char.cpp">