diff --git a/dune/solvers/solvers/quadraticipopt.hh b/dune/solvers/solvers/quadraticipopt.hh
index f51e391544c62cd988d841d42d6b284a2663379e..f291212a2a0ed3959c43dd3250e4fe785a1f6236 100644
--- a/dune/solvers/solvers/quadraticipopt.hh
+++ b/dune/solvers/solvers/quadraticipopt.hh
@@ -638,7 +638,7 @@ public:
                               hessian_(NULL), rhs_(NULL),
                               obstacles_(NULL),
                               linearSolverType_("ma27"),
-                              constraintMatrix_(NULL),constraintObstacles_(NULL)
+                              constraintObstacles_(NULL),constraintMatrix_(NULL)
     {}
 
     /** \brief Constructor for a linear problem */