diff --git a/contrib/ports/win32/msvc/lwip_unittests.vcxproj b/contrib/ports/win32/msvc/lwip_unittests.vcxproj
index 72bc948a..c16c6fa7 100644
--- a/contrib/ports/win32/msvc/lwip_unittests.vcxproj
+++ b/contrib/ports/win32/msvc/lwip_unittests.vcxproj
@@ -93,6 +93,7 @@
     <ClCompile Include="..\..\..\..\test\unit\ip6\test_ip6.c" />
     <ClCompile Include="..\..\..\..\test\unit\mdns\test_mdns.c" />
     <ClCompile Include="..\..\..\..\test\unit\mqtt\test_mqtt.c" />
+    <ClCompile Include="..\..\..\..\test\unit\ppp\test_pppos.c" />
     <ClCompile Include="..\..\..\..\test\unit\tcp\tcp_helper.c" />
     <ClCompile Include="..\..\..\..\test\unit\tcp\test_tcp.c" />
     <ClCompile Include="..\..\..\..\test\unit\tcp\test_tcp_oos.c" />
@@ -114,6 +115,7 @@
     <ClInclude Include="..\..\..\..\test\unit\ip6\test_ip6.h" />
     <ClInclude Include="..\..\..\..\test\unit\mdns\test_mdns.h" />
     <ClInclude Include="..\..\..\..\test\unit\mqtt\test_mqtt.h" />
+    <ClInclude Include="..\..\..\..\test\unit\ppp\test_pppos.h" />
     <ClInclude Include="..\..\..\..\test\unit\tcp\tcp_helper.h" />
     <ClInclude Include="..\..\..\..\test\unit\tcp\test_tcp.h" />
     <ClInclude Include="..\..\..\..\test\unit\tcp\test_tcp_oos.h" />
diff --git a/contrib/ports/win32/msvc/lwip_unittests.vcxproj.filters b/contrib/ports/win32/msvc/lwip_unittests.vcxproj.filters
index dbf1a4c1..76639188 100644
--- a/contrib/ports/win32/msvc/lwip_unittests.vcxproj.filters
+++ b/contrib/ports/win32/msvc/lwip_unittests.vcxproj.filters
@@ -34,6 +34,9 @@
     <Filter Include="ipv6">
       <UniqueIdentifier>{924d29be-e5e4-4b25-8bc4-92db91ce4c49}</UniqueIdentifier>
     </Filter>
+    <Filter Include="ppp">
+      <UniqueIdentifier>{4d24c808-c024-4aba-a214-e5bc276e124d}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\..\test\unit\core\test_mem.c">
@@ -91,6 +94,9 @@
     <ClCompile Include="..\..\..\..\test\unit\core\test_dns.c">
       <Filter>core</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\test\unit\ppp\test_pppos.c">
+      <Filter>ppp</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\..\test\unit\core\test_mem.h">
@@ -149,5 +155,8 @@
     <ClInclude Include="..\..\..\..\test\unit\core\test_dns.h">
       <Filter>core</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\test\unit\ppp\test_pppos.h">
+      <Filter>ppp</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file