diff --git a/src/TNL/Solvers/Linear/Hypre.h b/src/TNL/Solvers/Linear/Hypre.h
index a5d24aeecf89eae75eb08cb002ecb42d99f2924a..a300595822ccadfad29741a4be7a794c89441ca0 100644
--- a/src/TNL/Solvers/Linear/Hypre.h
+++ b/src/TNL/Solvers/Linear/Hypre.h
@@ -80,7 +80,8 @@ public:
     *                    will not be updated for the new matrix when calling
     *                    the \ref solve method.
     */
-   virtual void setMatrix( const Matrices::HypreParCSRMatrix& op, bool reuse_setup = false )
+   virtual void
+   setMatrix( const Matrices::HypreParCSRMatrix& op, bool reuse_setup = false )
    {
       A = &op;
       if( setup_called && reuse_setup )
diff --git a/src/TNL/Solvers/Linear/Hypre.hpp b/src/TNL/Solvers/Linear/Hypre.hpp
index 16226a469e6cb1ffb797571b94f470c1ff887965..37089d4d798e8187622447812189ad2b2e668fe6 100644
--- a/src/TNL/Solvers/Linear/Hypre.hpp
+++ b/src/TNL/Solvers/Linear/Hypre.hpp
@@ -248,7 +248,7 @@ HypreFlexGMRES::setMatrix( const Matrices::HypreParCSRMatrix& op, bool reuse_set
 {
    HypreSolver::setMatrix( op, reuse_setup );
    if( precond != nullptr )
-     precond->setMatrix( *A, reuse_setup );
+      precond->setMatrix( *A, reuse_setup );
 }
 
 void
@@ -286,7 +286,7 @@ HypreParaSails::HypreParaSails( MPI_Comm comm )
 
 HypreParaSails::HypreParaSails( const Matrices::HypreParCSRMatrix& A ) : HypreSolver( A )
 {
-   HYPRE_ParaSailsCreate( A.getCommunicator() , &solver );
+   HYPRE_ParaSailsCreate( A.getCommunicator(), &solver );
 }
 
 HypreParaSails::~HypreParaSails()