diff --git a/OpenMesh/OMPropertyVisualizerT_impl.hh b/OpenMesh/OMPropertyVisualizerT_impl.hh
index 870616b953deafc64e46f975edab454e90d22877..51e1e9ae4a1039d6840d75bca03374e7abc44732 100644
--- a/OpenMesh/OMPropertyVisualizerT_impl.hh
+++ b/OpenMesh/OMPropertyVisualizerT_impl.hh
@@ -139,7 +139,7 @@ inline void OMPropertyVisualizer<MeshT>::duplicateProperty_stage1() {
 
 
 template <typename MeshT>
-QString OMPropertyVisualizer<MeshT>::getPropertyText(unsigned int index)
+QString OMPropertyVisualizer<MeshT>::getPropertyText(unsigned int /*index*/)
 {
     return "";
 }
@@ -220,7 +220,7 @@ unsigned int OMPropertyVisualizer<MeshT>::getClosestPrimitiveId(unsigned int _fa
 }
 
 template <typename MeshT>
-unsigned int OMPropertyVisualizer<MeshT>::getClosestFaceId(unsigned int _face, ACG::Vec3d& _hitPoint)
+unsigned int OMPropertyVisualizer<MeshT>::getClosestFaceId(unsigned int _face, ACG::Vec3d& /*_hitPoint*/)
 {
     return _face;
 }
@@ -405,25 +405,25 @@ void OMPropertyVisualizer<MeshT>::clearVertexProp()
 }
 
 template <typename MeshT>
-void OMPropertyVisualizer<MeshT>::setFacePropertyFromText(unsigned int index, QString text)
+void OMPropertyVisualizer<MeshT>::setFacePropertyFromText(unsigned int /*index*/, QString /*text*/)
 {
     emit log(LOGERR, "Setting face property not implemented");
 }
 
 template <typename MeshT>
-void OMPropertyVisualizer<MeshT>::setEdgePropertyFromText(unsigned int index, QString text)
+void OMPropertyVisualizer<MeshT>::setEdgePropertyFromText(unsigned int /*index*/, QString /*text*/)
 {
     emit log(LOGERR, "Settingedge property not implemented");
 }
 
 template <typename MeshT>
-void OMPropertyVisualizer<MeshT>::setHalfedgePropertyFromText(unsigned int index, QString text)
+void OMPropertyVisualizer<MeshT>::setHalfedgePropertyFromText(unsigned int /*index*/, QString /*text*/)
 {
     emit log(LOGERR, "Setting halfedge property not implemented");
 }
 
 template <typename MeshT>
-void OMPropertyVisualizer<MeshT>::setVertexPropertyFromText(unsigned int index, QString text)
+void OMPropertyVisualizer<MeshT>::setVertexPropertyFromText(unsigned int /*index*/, QString /*text*/)
 {
     emit log(LOGERR, "Setting vertex property not implemented");
 }
diff --git a/OpenMesh/OMPropertyVisualizerVector2T_impl.hh b/OpenMesh/OMPropertyVisualizerVector2T_impl.hh
index 134266443deef9fb48da3eca690b36d7344a7106..ebcb9c61bafe59e34ca76addd534431cc8a19a10 100644
--- a/OpenMesh/OMPropertyVisualizerVector2T_impl.hh
+++ b/OpenMesh/OMPropertyVisualizerVector2T_impl.hh
@@ -405,7 +405,7 @@ void OMPropertyVisualizerVector2<MeshT, VectorType>::visualizeHalfedgePropAsStro
 
       typename MeshT::Point v1 = OMPropertyVisualizer<MeshT>::mesh->point(vh0) + 0.5 * (OMPropertyVisualizer<MeshT>::mesh->point(vh1) - OMPropertyVisualizer<MeshT>::mesh->point(vh0));
       VectorType v  = OMPropertyVisualizer<MeshT>::mesh->property(prop, *he_it);
-      ACG::Vec3d normal = OMPropertyVisualizer<MeshT>::mesh->normal(*he_it);
+      ACG::Vec3d normal = OMPropertyVisualizer<MeshT>::mesh->normal(OMPropertyVisualizer<MeshT>::mesh->face_handle(*he_it));
 
       if (vectorWidget->normalize->isChecked() && v.sqrnorm() > 1e-12)
         v.normalize();