diff --git a/dune/elasticity/assemblers/localhyperdualstiffness.hh b/dune/elasticity/assemblers/localhyperdualstiffness.hh
index a91b68ef0d31a6c0bd7da8507a20c301d9d528e0..058935904e1618b3a544e6e959077790bf26b474 100644
--- a/dune/elasticity/assemblers/localhyperdualstiffness.hh
+++ b/dune/elasticity/assemblers/localhyperdualstiffness.hh
@@ -8,7 +8,7 @@
 
 namespace Dune::Elasticity {
 
-/** \brief Assembles energy gradient and Hessian using Hyperdual Numbers 
+/** \brief Assembles energy gradient and Hessian using Hyperdual Numbers
  */
 template<class LocalView>
 class LocalHyperDualStiffness
@@ -36,7 +36,7 @@ public:
                                             std::vector<double>& localGradient,
                                             Dune::Matrix<double>& localHessian);
 
-    std::shared_ptr<Dune::Elasticity::LocalEnergy<LocalView, hyperdual>> localEnergy_; 
+    std::shared_ptr<Dune::Elasticity::LocalEnergy<LocalView, hyperdual>> localEnergy_;
 
 };
 
@@ -50,10 +50,10 @@ energy(const LocalView& localView,
 
     std::vector<hyperdual> localHyperDualConfiguration(localConfiguration.size());
     hyperdual energy;
-    
+
     for (size_t i=0; i<localConfiguration.size(); i++)
-        localHyperDualConfiguration[i] = hyperdual(localConfiguration[i]);        
-        
+        localHyperDualConfiguration[i] = hyperdual(localConfiguration[i]);
+
     energy = localEnergy_->energy(localView,localHyperDualConfiguration);
 
     pureEnergy = energy.real();
@@ -70,7 +70,7 @@ assembleGradientAndHessian(const LocalView& localView,
                            Dune::Matrix<double>& localHessian
                           )
 {
-    size_t nDoubles = localConfiguration.size(); 
+    size_t nDoubles = localConfiguration.size();
 
     localGradient.resize(nDoubles);
 
@@ -79,28 +79,28 @@ assembleGradientAndHessian(const LocalView& localView,
     std::vector<hyperdual> localHyperDualConfiguration(nDoubles);
     for (size_t i=0; i<nDoubles; i++)
        localHyperDualConfiguration[i] = hyperdual(localConfiguration[i]);
-    
+
     // Compute gradient and hessian (symmetry is used) using hyperdual function evaluation
     // localHyperDualConfiguration puts Ones in the eps1 and eps2 component to evaluate the different partial derivatives
-    for (size_t i=0; i<nDoubles; i++) 
+    for (size_t i=0; i<nDoubles; i++)
     {
       localHyperDualConfiguration[i].seteps1(1.0);
       localHyperDualConfiguration[i].seteps2(1.0);
-    
+
       hyperdual temp = localEnergy_->energy(localView, localHyperDualConfiguration);
-      localGradient[i] = temp.eps1();                   
+      localGradient[i] = temp.eps1();
       localHessian[i][i] = temp.eps1eps2();
-      
+
       localHyperDualConfiguration[i].seteps2(0.0);
 
-      for (size_t j=i+1; j<nDoubles; j++) 
-      { 
+      for (size_t j=i+1; j<nDoubles; j++)
+      {
         localHyperDualConfiguration[j].seteps2(1.0);
         localHessian[i][j] = localEnergy_->energy(localView, localHyperDualConfiguration).eps1eps2();
-        localHessian[j][i] = localHessian[i][j];        // Use symmetry of hessian 
+        localHessian[j][i] = localHessian[i][j];        // Use symmetry of hessian
         localHyperDualConfiguration[j].seteps2(0.0);
       }
-        
+
       localHyperDualConfiguration[i].seteps1(0.0);
     }