diff --git a/dune/solvers/iterationsteps/iterationstep.hh b/dune/solvers/iterationsteps/iterationstep.hh
index 1e26f605d7e2b6c4d65a229c680b8cbcfd46e0ca..7faaff30c415f41a4f4594a9c100dec7af452946 100644
--- a/dune/solvers/iterationsteps/iterationstep.hh
+++ b/dune/solvers/iterationsteps/iterationstep.hh
@@ -1,7 +1,7 @@
 // -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 // vi: set et ts=8 sw=4 sts=4:
-#ifndef ITERATIONSTEP_HH
-#define ITERATIONSTEP_HH
+#ifndef DUNE_SOLVERS_ITERATIONSTEPS_ITERATIONSTEP_HH
+#define DUNE_SOLVERS_ITERATIONSTEPS_ITERATIONSTEP_HH
 
 #include <vector>
 #include <string>
diff --git a/dune/solvers/iterationsteps/lineariterationstep.hh b/dune/solvers/iterationsteps/lineariterationstep.hh
index af5fa61377fd191ec897dd2e04f2550bb33627bd..7836a2b9f9525c14067c7abe6dbc49b281d1d4ef 100644
--- a/dune/solvers/iterationsteps/lineariterationstep.hh
+++ b/dune/solvers/iterationsteps/lineariterationstep.hh
@@ -1,7 +1,7 @@
 // -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 // vi: set et ts=8 sw=4 sts=4:
-#ifndef LINEAR_ITERATIONSTEP_HH
-#define LINEAR_ITERATIONSTEP_HH
+#ifndef DUNE_SOLVERS_ITERATIONSTEPS_LINEARITERATIONSTEP_HH
+#define DUNE_SOLVERS_ITERATIONSTEPS_LINEARITERATIONSTEP_HH
 
 #include <memory>
 #include <vector>