diff --git a/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertex.H b/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertex.H
index f39e90761d..f76417c556 100644
--- a/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertex.H
+++ b/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertex.H
@@ -40,6 +40,7 @@ SourceFiles
 #include <CGAL/Triangulation_3.h>
 #include "CGALTriangulation3DKernel.H"
 #include "tensor.H"
+#include "triad.H"
 #include "InfoProxy.H"
 #include "point.H"
 #include "indexedVertexEnum.H"
diff --git a/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertexI.H b/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertexI.H
index ea9e4db6d4..b6fc0d1059 100644
--- a/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertexI.H
+++ b/applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedVertex/indexedVertexI.H
@@ -32,9 +32,9 @@ inline CGAL::indexedVertex<Gt, Vb>::indexedVertex()
 :
     Vb(),
     type_(vtUnassigned),
-    index_(vtUnassigned),
+    index_(-1),
     processor_(Foam::Pstream::myProcNo()),
-    alignment_(Foam::tensor::zero),
+    alignment_(Foam::triad::unset),
     targetCellSize_(0.0)
 {}
 
@@ -44,9 +44,9 @@ inline CGAL::indexedVertex<Gt, Vb>::indexedVertex(const Point& p)
 :
     Vb(p),
     type_(vtUnassigned),
-    index_(vtUnassigned),
+    index_(-1),
     processor_(Foam::Pstream::myProcNo()),
-    alignment_(Foam::tensor::zero),
+    alignment_(Foam::triad::unset),
     targetCellSize_(0.0)
 {}
 
@@ -62,7 +62,7 @@ inline CGAL::indexedVertex<Gt, Vb>::indexedVertex
     type_(type),
     index_(-1),
     processor_(Foam::Pstream::myProcNo()),
-    alignment_(Foam::tensor::zero),
+    alignment_(Foam::triad::unset),
     targetCellSize_(0.0)
 {}
 
@@ -78,7 +78,7 @@ inline CGAL::indexedVertex<Gt, Vb>::indexedVertex
     type_(type),
     index_(-1),
     processor_(Foam::Pstream::myProcNo()),
-    alignment_(Foam::tensor::zero),
+    alignment_(Foam::triad::unset),
     targetCellSize_(0.0)
 {}
 
@@ -106,9 +106,9 @@ inline CGAL::indexedVertex<Gt, Vb>::indexedVertex(const Point& p, Cell_handle f)
 :
     Vb(f, p),
     type_(vtUnassigned),
-    index_(vtUnassigned),
+    index_(-1),
     processor_(Foam::Pstream::myProcNo()),
-    alignment_(Foam::tensor::zero),
+    alignment_(Foam::triad::unset),
     targetCellSize_(0.0)
 {}
 
@@ -118,9 +118,9 @@ inline CGAL::indexedVertex<Gt, Vb>::indexedVertex(Cell_handle f)
 :
     Vb(f),
     type_(vtUnassigned),
-    index_(vtUnassigned),
+    index_(-1),
     processor_(Foam::Pstream::myProcNo()),
-    alignment_(Foam::tensor::zero),
+    alignment_(Foam::triad::unset),
     targetCellSize_(0.0)
 {}