diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/Curvatures/interpolated_corrected_curvature_measures.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/Curvatures/interpolated_corrected_curvature_measures.h
index 03e5f396e3c..0c6a370059c 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/Curvatures/interpolated_corrected_curvature_measures.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/Curvatures/interpolated_corrected_curvature_measures.h
@@ -74,7 +74,7 @@ typename GT::FT interpolated_corrected_measure_triangle(const typename GT::Vecto
                                                         const typename GT::Vector_3 u2,
                                                         const Curvature_measure_index mu_i)
 {
-    GT::Construct_cross_product_3 cross_product;
+    typename GT::Construct_cross_product_3 cross_product;
     switch (mu_i)
     {
     case MU0_AREA_MEASURE:
@@ -139,7 +139,7 @@ typename GT::FT interpolated_corrected_measure_quad(const typename GT::Vector_3
 {
     // x0  _  x1
     // x2 |_| x3
-    GT::Construct_cross_product_3 cross_product;
+    typename GT::Construct_cross_product_3 cross_product;
     switch (mu_i)
     {
     case MU0_AREA_MEASURE: