diff --git a/Solver/linearSystemGMM.h b/Solver/linearSystemGMM.h
index cde07c123efca2924f20923ca9af5c11e077df47..cff85caf034eb8b0779fd6bfcfc2abab341ff18a 100644
--- a/Solver/linearSystemGMM.h
+++ b/Solver/linearSystemGMM.h
@@ -20,8 +20,8 @@ class linearSystemGmm : public linearSystem<scalar> {
  protected:
   std::vector<scalar> *_x; // the nonLinearSystemGmm has to access to this vector
   std::vector<scalar> *_b; // idem
- private:
   gmm::row_matrix<gmm::wsvector<scalar> > *_a;
+ private:
   double _prec;
   int _noisy, _gmres;
  public: