diff --git a/win/cglm-test.vcxproj b/win/cglm-test.vcxproj
index 1c0916d..6599103 100644
--- a/win/cglm-test.vcxproj
+++ b/win/cglm-test.vcxproj
@@ -42,6 +42,7 @@
     <ClInclude Include="..\test\src\test_vec2.h" />
     <ClInclude Include="..\test\src\test_vec3.h" />
     <ClInclude Include="..\test\src\test_vec4.h" />
+    <ClInclude Include="..\test\src\test_ray.h" />
     <ClInclude Include="..\test\tests.h" />
   </ItemGroup>
   <ItemGroup>
diff --git a/win/cglm-test.vcxproj.filters b/win/cglm-test.vcxproj.filters
index c81dc11..b8f7326 100644
--- a/win/cglm-test.vcxproj.filters
+++ b/win/cglm-test.vcxproj.filters
@@ -79,5 +79,8 @@
     <ClInclude Include="..\test\src\test_vec2.h">
       <Filter>src</Filter>
     </ClInclude>
+    <ClInclude Include="..\test\src\test_ray.h">
+      <Filter>src</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file