diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index aa9e475aebccb68e611e2f46818dfe75339f18f0..caac4622c6b4a268f40e341e5af7d826f545ba93 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -156,12 +156,12 @@ void implicitEulerExtractVelocity(VectorType const &u_old,
 //
 // Setup: Substract a(u_new, .) from rhs
 template <class VectorType, class MatrixType, class FunctionType, int dim>
-void twoStageImplicitSetup(VectorType const &ell, MatrixType const &A,
-                           VectorType const &u_old, VectorType const *u_old_old,
-                           VectorType &problem_rhs, VectorType &problem_iterate,
-                           MatrixType &problem_A,
-                           Dune::BitSetVector<dim> const &dirichletNodes,
-                           FunctionType const &dirichletFunction, double time) {
+void ImplicitTwoStepSetup(VectorType const &ell, MatrixType const &A,
+                          VectorType const &u_old, VectorType const *u_old_old,
+                          VectorType &problem_rhs, VectorType &problem_iterate,
+                          MatrixType &problem_A,
+                          Dune::BitSetVector<dim> const &dirichletNodes,
+                          FunctionType const &dirichletFunction, double time) {
   problem_A = A;
   problem_A /= 1.5;
   problem_rhs = ell;
@@ -187,10 +187,10 @@ void twoStageImplicitSetup(VectorType const &ell, MatrixType const &A,
 }
 
 template <class VectorType>
-void twoStageImplicitExtract(VectorType const &u_old,
-                             VectorType const *u_old_old,
-                             VectorType const &problem_iterate,
-                             VectorType &solution) {
+void ImplicitTwoStepExtract(VectorType const &u_old,
+                            VectorType const *u_old_old,
+                            VectorType const &problem_iterate,
+                            VectorType &solution) {
   solution = problem_iterate;
   solution.axpy(2, u_old);
   solution.axpy(-.5, *u_old_old);
@@ -207,10 +207,10 @@ void twoStageImplicitExtract(VectorType const &u_old,
 }
 
 template <class VectorType>
-void twoStageImplicitExtractVelocity(VectorType const &u_old,
-                                     VectorType const *u_old_old,
-                                     VectorType const &problem_iterate,
-                                     VectorType &diff) {
+void ImplicitTwoStepExtractVelocity(VectorType const &u_old,
+                                    VectorType const *u_old_old,
+                                    VectorType const &problem_iterate,
+                                    VectorType &diff) {
   diff = problem_iterate;
 }
 
@@ -369,11 +369,11 @@ int main(int argc, char *argv[]) {
         VectorType problem_iterate(finestSize);
 
         auto setupFunc =
-            (run == 1 || !parset.get<bool>("twoStageImplicit"))
+            (run == 1 || !parset.get<bool>("ImplicitTwoStep"))
                 ? &implicitEulerSetup<VectorType, MatrixType,
                                       decltype(dirichletFunction), dim>
-                : &twoStageImplicitSetup<VectorType, MatrixType,
-                                         decltype(dirichletFunction), dim>;
+                : &ImplicitTwoStepSetup<VectorType, MatrixType,
+                                        decltype(dirichletFunction), dim>;
 
         VectorType *u_old_old_ptr = (run == 1) ? nullptr : &u_previous;
         setupFunc(ell, stiffnessMatrix, u, u_old_old_ptr, problem_rhs,
@@ -400,17 +400,17 @@ int main(int argc, char *argv[]) {
               false); // absolute error
           overallSolver.solve();
 
-          auto extractFunc = (run == 1 || !parset.get<bool>("twoStageImplicit"))
+          auto extractFunc = (run == 1 || !parset.get<bool>("ImplicitTwoStep"))
                                  ? implicitEulerExtract<VectorType>
-                                 : twoStageImplicitExtract<VectorType>;
+                                 : ImplicitTwoStepExtract<VectorType>;
 
           // Extract solution from solver
           extractFunc(u, u_old_old_ptr, problem_iterate, solution);
 
           auto extractDiffFunc =
-              (run == 1 || !parset.get<bool>("twoStageImplicit"))
+              (run == 1 || !parset.get<bool>("implicitTwoStep"))
                   ? implicitEulerExtractVelocity<VectorType>
-                  : twoStageImplicitExtractVelocity<VectorType>;
+                  : ImplicitTwoStepExtractVelocity<VectorType>;
 
           // Extract difference from solver
           extractDiffFunc(u, u_old_old_ptr, problem_iterate, u_diff);
diff --git a/src/one-body-sample.parset b/src/one-body-sample.parset
index 3a62349169da768522b179163b1a41395dff86f7..4fd5a8e30cdfb5c2d357e136fdb4062a98844867 100644
--- a/src/one-body-sample.parset
+++ b/src/one-body-sample.parset
@@ -13,7 +13,7 @@ printVelocitySteppingComparison = false
 
 enable_timer = false
 
-twoStageImplicit = false
+implicitTwoStep = false
 
 [grid]
 refinements = 4