diff --git a/projects/openttd_vs140.vcxproj.filters b/projects/openttd_vs140.vcxproj.filters
--- a/projects/openttd_vs140.vcxproj.filters
+++ b/projects/openttd_vs140.vcxproj.filters
@@ -2604,6 +2604,12 @@
     <ClInclude Include="..\src\blitter\32bpp_anim.hpp">
       <Filter>Blitters</Filter>
     </ClInclude>
+    <ClCompile Include="..\src\blitter\32bpp_anim_sse2.cpp">
+      <Filter>Blitters</Filter>
+    </ClCompile>
+    <ClInclude Include="..\src\blitter\32bpp_anim_sse2.hpp">
+      <Filter>Blitters</Filter>
+    </ClInclude>
     <ClCompile Include="..\src\blitter\32bpp_anim_sse4.cpp">
       <Filter>Blitters</Filter>
     </ClCompile>