diff --git a/src/OpenMesh/Tools/Smoother/JacobiLaplaceSmootherT.cc b/src/OpenMesh/Tools/Smoother/JacobiLaplaceSmootherT.cc
index c88ac13d..62fa98c1 100644
--- a/src/OpenMesh/Tools/Smoother/JacobiLaplaceSmootherT.cc
+++ b/src/OpenMesh/Tools/Smoother/JacobiLaplaceSmootherT.cc
@@ -181,7 +181,7 @@ compute_new_positions_C1()
       if (diag) uu *= static_cast<typename Mesh::Scalar>(1.0) / diag;
 
       // damping
-      uu *= 0.25;
+      uu *= static_cast<typename Mesh::Normal::value_type>(0.25);
     
       // store new position
       p  = vector_cast<typename Mesh::Normal>(Base::mesh_.point(*v_it));