diff --git a/dune/elasticity/common/elasticityhelpers.hh b/dune/elasticity/common/elasticityhelpers.hh
index 10d7881bd8f04e3b0cfc7dd57df9f6c3be623779..960d4a163b4ffb49dc975e71ecbf14c559b40282 100644
--- a/dune/elasticity/common/elasticityhelpers.hh
+++ b/dune/elasticity/common/elasticityhelpers.hh
@@ -140,7 +140,7 @@ namespace Dune {
                 - (Delta<(p+1)%3,(q-1)%3>::delta+u[(p+1)%3][(q-1)%3])
                 * (Delta<(p+2)%3,(q-2)%3>::delta+u[(p+2)%3][(q-2)%3]);
         }
-         
+
         /** \brief Compute linearization of the determinant of a deformation gradient. Multiplication with a test function(scalar) gradient, gives the linearization in the direction of the test function.
          *
          *  \param u The displacement gradient(!) at which the determinant is evaluated
@@ -148,18 +148,18 @@ namespace Dune {
         void linearisedDefDet(const Dune::FieldMatrix<double,3,3>& u, Dune::FieldMatrix<double,3,3>& linDet) {
 
             linDet = 0;
-            for (int i=0; i<2; i++)                       
+            for (int i=0; i<2; i++)
                 for (int j=i+1; j<3; j++) {
                     int k=(3-(i+j))%3;
                     linDet[i][j] = u[j][k]*u[k][i] - u[j][i]*(1+u[k][k]);
                     linDet[j][i] = u[k][j]*u[i][k] - u[i][j]*(1+u[k][k]);
-            }    
+            }
 
             // the diagonal parts
             for (int i=0; i<3; i++)
                 linDet[i][i] = (u[(i+1)%3][(i+1)%3]+1)*(u[(i+2)%3][(i+2)%3]+1)-u[(i+1)%3][(i+2)%3]*u[(i+2)%3][(i+1)%3];
         }
-        
+
         /** \brief Compute linearization of the determinant of a deformation gradient. Multiplication with a test function(scalar) gradient, gives the linearization in the direction of the test function.
          *
          *  \param u The displacement gradient(!) at which the determinant is evaluated