diff --git a/dune/solvers/common/numproc.hh b/dune/solvers/common/numproc.hh
index bc35aed99abcf06575fb3f0c3211fa5bbfec1303..6096ff962d5825210f7132723d05f140d1b2ebb0 100644
--- a/dune/solvers/common/numproc.hh
+++ b/dune/solvers/common/numproc.hh
@@ -22,6 +22,9 @@ class SolverError : public Dune::Exception {};
             : verbosity_(verbosity)
         {}
 
+        /** \brief Set the verbosity level */
+        void setVerbosity(VerbosityMode verbosity) {verbosity_ = verbosity;}
+
         /** \brief Controls the amount of screen output of a numproc */
         VerbosityMode verbosity_;