diff --git a/dune/tectonic/factories/twoblocksfactory.cc b/dune/tectonic/factories/twoblocksfactory.cc
index d2c95df0018e6e7b52edcf70c1ee15c04015c3d9..6c52a7d7353dc5dd321540cea0f861b363234c12 100644
--- a/dune/tectonic/factories/twoblocksfactory.cc
+++ b/dune/tectonic/factories/twoblocksfactory.cc
@@ -121,7 +121,8 @@ void TwoBlocksFactory<HostGridType, VectorTEMPLATE>::setBoundaryConditions() {
 
     using Function = Dune::VirtualFunction<double, double>;
     std::shared_ptr<Function> neumannFunction = std::make_shared<NeumannCondition>();
-    std::shared_ptr<Function> velocityDirichletFunction = std::make_shared<VelocityDirichletCondition>(this->parset_.template get<double>("boundary.dirichlet.finalVelocity"), 0.25);
+    std::shared_ptr<Function> velocityDirichletFunction = std::make_shared<VelocityDirichletCondition>(this->parset_.template get<double>("boundary.dirichlet.finalVelocity"), 0.0);
+    //std::shared_ptr<Function> velocityDirichletFunction = std::make_shared<VelocityStepDirichletCondition>(0.1, 0.2, 0.1, 0.5);
 
     const double lengthScale = CuboidGeometry::lengthScale();