diff --git a/Solver_interface/include/CGAL/Eigen_matrix.h b/Solver_interface/include/CGAL/Eigen_matrix.h
index 8cd50ccaa79..8aa9ed8e436 100644
--- a/Solver_interface/include/CGAL/Eigen_matrix.h
+++ b/Solver_interface/include/CGAL/Eigen_matrix.h
@@ -38,7 +38,7 @@ namespace CGAL {
 /// @heading Parameters:
 /// @param T Number type.
 
-template<class T, int Options = Eigen::RowMajor>
+template<class T, int Options = Eigen::SparseMatrix<T>::Options>
 struct Eigen_sparse_matrix
 {
 // Public types