Index: mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc
==================================================================
--- mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc
+++ mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc
@@ -4,19 +4,10 @@
 // http://www.netlib.org/minpack/hybrd.f
 // used by Octave's fsolve
 
 MTT::Hybrd_Solver *MTT::Hybrd_Solver::static_ptr;
 
-MTT::Hybrd_Solver (const int npar,
-		   const int nu,
-		   const int nx,
-		   const int ny,
-		   const int nyz)
-{
-  static_ptr = this;
-}
-
 ColumnVector
 MTT::Hybrd_Solver::f_hybrd (const ColumnVector &tryUi)
 {
   MTT::Hybrd_Solver::static_ptr->_yz = MTT::Hybrd_Solver::static_ptr->eval(tryUi);
   return MTT::Hybrd_Solver::static_ptr->_yz;

Index: mttroot/mtt/lib/cc/mtt_Hybrd_Solver.hh
==================================================================
--- mttroot/mtt/lib/cc/mtt_Hybrd_Solver.hh
+++ mttroot/mtt/lib/cc/mtt_Hybrd_Solver.hh
@@ -19,11 +19,14 @@
     Hybrd_Solver (const int npar,
 		  const int nu,
 		  const int nx,
 		  const int ny,
 		  const int nyz)
-      : MTT::AlgebraicSolver (npar,nu,nx,ny,nyz);
+      : MTT::AlgebraicSolver (npar,nu,nx,ny,nyz)
+    {
+      static_ptr = this;
+    }
 
     static ColumnVector
     f_hybrd (const ColumnVector &tryUi);
 
     ~Hybrd_Solver (void) {};