Index: mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc
==================================================================
--- mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc
+++ mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc
@@ -11,11 +11,11 @@
     {
       _x = x;
       _uui.insert(u,0);
       _t = t;
       _par = par;
-      _ui = ColumnVector(_nyz,1.0);
+      _ui = ColumnVector(_nyz,0.0);
       Solve();
       _uui.insert(_ui,_nu);
     }
   else
     {