diff --git a/dune/solvers/solvers/trustregionsolver.cc b/dune/solvers/solvers/trustregionsolver.cc
index 6ed0930346db8613b563b107e4614d4e18db0fe4..e37d7dc0b1c4ea6a51c68ab939a19e34e24b2353 100644
--- a/dune/solvers/solvers/trustregionsolver.cc
+++ b/dune/solvers/solvers/trustregionsolver.cc
@@ -53,7 +53,7 @@ void TrustRegionSolver<ProblemType,VectorType,MatrixType>::solve()
         VectorType gradient = problem_->f_;
         for (size_t j=0; j<gradient.size(); j++)
             for (int k=0; k<gradient[j].size(); k++)
-                if (mgStep.ignore()[j][k])
+                if (mgStep->ignore()[j][k])
                     gradient[j][k] = 0;
 
         if (this->verbosity_ == Solver::FULL)