diff --git a/meshLibrary/tetMesh/tetMeshGenerator/tetMeshGenerator.C b/meshLibrary/tetMesh/tetMeshGenerator/tetMeshGenerator.C
index 5ffc0cfd67580312edda133e4c29fbd4d7dff38e..2bdef739d38028d686a647f5b9147a7831d868fd 100644
--- a/meshLibrary/tetMesh/tetMeshGenerator/tetMeshGenerator.C
+++ b/meshLibrary/tetMesh/tetMeshGenerator/tetMeshGenerator.C
@@ -151,7 +151,7 @@ void tetMeshGenerator::optimiseFinalMesh()
             readBool(meshDict_.lookup("enforceGeometryConstraints"));
     }
 
-    meshOptimizer optimizer(mesh_, octreePtr_);
+    meshOptimizer optimizer(mesh_);
     if( enforceConstraints )
         optimizer.enforceConstraints();