diff --git a/src/foam/meshes/polyMesh/polyMeshUpdate.C b/src/foam/meshes/polyMesh/polyMeshUpdate.C
index 5477b6ee2..b96511262 100644
--- a/src/foam/meshes/polyMesh/polyMeshUpdate.C
+++ b/src/foam/meshes/polyMesh/polyMeshUpdate.C
@@ -36,6 +36,9 @@ Description
 
 void Foam::polyMesh::updateMesh(const mapPolyMesh& mpm)
 {
+    // Mesh is changing
+    changing(true);
+
     // Update zones.  Since boundary depends on zones, they need to be
     // updated first.  HJ, 20/May/2014
     pointZones_.updateMesh();