diff --git a/include/vde/curves/surface_intersection.h b/include/vde/curves/surface_intersection.h
index 612e2c2..899be24 100644
--- a/include/vde/curves/surface_intersection.h
+++ b/include/vde/curves/surface_intersection.h
@@ -74,9 +74,9 @@ struct IntersectionCurve {
  * @ingroup curves
  */
 [[nodiscard]] std::vector<IntersectionCurve> intersect_plane_surface(
-//    const NurbsSurface& surf,
-//    const core::Point3D& point,
-//    const core::Vector3D& normal,
-//    int grid_res = 32);
-//
+    const NurbsSurface& surf,
+    const core::Point3D& point,
+    const core::Vector3D& normal,
+    int grid_res = 32);
+
 } // namespace vde::curves