diff --git a/dune/solvers/iterationsteps/multigridstep.hh b/dune/solvers/iterationsteps/multigridstep.hh index d079d9d56c34804f13a484049f2700083052a332..dc7f667d686e899b6c1b0028328848f2fffd9cc9 100644 --- a/dune/solvers/iterationsteps/multigridstep.hh +++ b/dune/solvers/iterationsteps/multigridstep.hh @@ -227,7 +227,7 @@ namespace Dune { std::vector<VectorType> rhsHierarchy_; //protected: - std::vector<MultigridTransfer<VectorType, BitVectorType, MatrixType>* > mgTransfer_; + std::vector<const MultigridTransfer<VectorType, BitVectorType, MatrixType>* > mgTransfer_; protected: