diff --git a/src/OpenMesh/Tools/Subdivider/Uniform/Composite/CompositeT.cc b/src/OpenMesh/Tools/Subdivider/Uniform/Composite/CompositeT.cc
index 72d7bcbe..621d3b9c 100644
--- a/src/OpenMesh/Tools/Subdivider/Uniform/Composite/CompositeT.cc
+++ b/src/OpenMesh/Tools/Subdivider/Uniform/Composite/CompositeT.cc
@@ -581,7 +581,7 @@ void CompositeT<MeshType,RealType>::FVc(Coeff& _coeff)
       ++valence;
     }
 
-    c = _coeff(valence);
+    c = static_cast<real_t>(_coeff(valence));
 
     for (voh_it = mesh_.voh_iter(*v_it); voh_it.is_valid(); ++voh_it) {