diff --git a/src/meshTools/sets/topoSets/topoSet.C b/src/meshTools/sets/topoSets/topoSet.C
index 691339102a..79e3796baa 100644
--- a/src/meshTools/sets/topoSets/topoSet.C
+++ b/src/meshTools/sets/topoSets/topoSet.C
@@ -344,7 +344,7 @@ Foam::topoSet::topoSet
             (
                 mesh.dbDir()/polyMesh::meshSubDir/"sets",
                 word::null,
-                IOobject::MUST_READ,
+                r,  //IOobject::MUST_READ,
                 mesh.facesInstance()
             ),
             polyMesh::meshSubDir/"sets",