diff --git a/Code/GamePhysics/GamePhysics.vcxproj.filters b/Code/GamePhysics/GamePhysics.vcxproj.filters
index 4c0fd5f3..cc9a84c8 100644
--- a/Code/GamePhysics/GamePhysics.vcxproj.filters
+++ b/Code/GamePhysics/GamePhysics.vcxproj.filters
@@ -33,6 +33,9 @@
     <ClInclude Include="Implementation\SphericalRigidBody.h">
       <Filter>Header Files\Implementation</Filter>
     </ClInclude>
+    <ClInclude Include="Implementation\Octree.h">
+      <Filter>Header Files\Implementation</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Implementation\PhysicsAPI_Impl.cpp">