diff --git a/src/OpenMesh/Core/Mesh/PolyMeshT.cc b/src/OpenMesh/Core/Mesh/PolyMeshT.cc
index 4cc097cc..426f85ad 100644
--- a/src/OpenMesh/Core/Mesh/PolyMeshT.cc
+++ b/src/OpenMesh/Core/Mesh/PolyMeshT.cc
@@ -75,12 +75,12 @@ uint PolyMeshT<Kernel>::find_feature_edges(Scalar _angle_tresh)
   {
     if (fabs(calc_dihedral_angle(*e_it)) > _angle_tresh)
     {//note: could be optimized by comparing cos(dih_angle) vs. cos(_angle_tresh)
-      status(*e_it).set_feature(true);
+      this->status(*e_it).set_feature(true);
       n_feature_edges++;
     }
     else
     {
-      status(*e_it).set_feature(false);
+      this->status(*e_it).set_feature(false);
     }
   }
   return n_feature_edges;
diff --git a/src/OpenMesh/Core/Mesh/TriMeshT.hh b/src/OpenMesh/Core/Mesh/TriMeshT.hh
index 2bac9a50..5bee912d 100644
--- a/src/OpenMesh/Core/Mesh/TriMeshT.hh
+++ b/src/OpenMesh/Core/Mesh/TriMeshT.hh
@@ -205,7 +205,7 @@ public:
    */
   inline HalfedgeHandle vertex_split(Point _v0_point,  VertexHandle _v1,
                                      VertexHandle _vl, VertexHandle _vr)
-  { return PolyMesh::vertex_split(add_vertex(_v0_point), _v1, _vl, _vr); }
+  { return PolyMesh::vertex_split(this->add_vertex(_v0_point), _v1, _vl, _vr); }
 
   /** \brief Vertex Split: inverse operation to collapse().
    *