diff --git a/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C b/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C
index 96c8a53de4..c64fe75bd1 100644
--- a/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C
+++ b/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C
@@ -78,7 +78,7 @@ Foam::regionModels::singleLayerRegion::singleLayerRegion
     (
         IOobject
         (
-            "d",
+            "VbyA",
             time_.timeName(),
             regionMesh()
         ),