diff --git a/win/cglm.vcxproj b/win/cglm.vcxproj
index a0a9282..fb35069 100644
--- a/win/cglm.vcxproj
+++ b/win/cglm.vcxproj
@@ -184,6 +184,7 @@
     <ClInclude Include="..\include\cglm\struct.h" />
     <ClInclude Include="..\include\cglm\struct\affine-post.h" />
     <ClInclude Include="..\include\cglm\struct\affine-pre.h" />
+    <ClInclude Include="..\include\cglm\struct\affine-mat.h" />
     <ClInclude Include="..\include\cglm\struct\affine.h" />
     <ClInclude Include="..\include\cglm\struct\affine2d.h" />
     <ClInclude Include="..\include\cglm\struct\box.h" />
diff --git a/win/cglm.vcxproj.filters b/win/cglm.vcxproj.filters
index 7b9b6a3..7a32d79 100644
--- a/win/cglm.vcxproj.filters
+++ b/win/cglm.vcxproj.filters
@@ -603,5 +603,8 @@
     <ClInclude Include="..\include\cglm\struct\affine-pre.h">
       <Filter>include\cglm\struct</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\cglm\struct\affine-mat.h">
+      <Filter>include\cglm\struct</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file