diff --git a/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.C b/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.C
index b55cddfa3..d991ff14b 100644
--- a/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.C
+++ b/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.C
@@ -309,9 +309,11 @@ Foam::oversetAMGInterface::oversetAMGInterface
 
         // Get mesh owner-neighbour addressing to visit cells around fringe
         // faces
-        const unallocLabelList& own = lduMesh.lowerAddr();
+        const unallocLabelList& own =
+            fineOversetInterface_.ldu().lduAddr().lowerAddr();
 
-        const unallocLabelList& nei = lduMesh.upperAddr();
+        const unallocLabelList& nei =
+            fineOversetInterface_.ldu().lduAddr().upperAddr();
 
         const labelList& fringeFaces =
             fineOversetInterface_.overset().fringeFaces();
@@ -798,6 +800,13 @@ Foam::label Foam::oversetAMGInterface::interfaceSize() const
     return interfaceSize_;
 }
 
+
+const Foam::lduMesh& Foam::oversetAMGInterface::ldu() const
+{
+    return AMGInterface::ldu();
+}
+
+
 const Foam::oversetMesh& Foam::oversetAMGInterface::overset() const
 {
     // Overset should not be accessed from coarse levels
diff --git a/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.H b/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.H
index 0f2475d36..864e88906 100644
--- a/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.H
+++ b/src/overset/oversetMesh/oversetAMGInterface/oversetAMGInterface.H
@@ -170,6 +170,9 @@ public:
 
         // Interface transfer functions
 
+            //- Return lduMesh for owner-neighbour addressing
+            virtual const lduMesh& ldu() const;
+
             //- Return access to overset mesh.
             //  Available only on the finest level
             virtual const oversetMesh& overset() const;
diff --git a/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.C b/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.C
index 8c5268f53..4afd9dcb8 100644
--- a/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.C
+++ b/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.C
@@ -93,6 +93,12 @@ Foam::label Foam::oversetFvPatch::interfaceSize() const
 }
 
 
+const Foam::lduMesh& Foam::oversetFvPatch::ldu() const
+{
+    return boundaryMesh().mesh();
+}
+
+
 const Foam::labelList& Foam::oversetFvPatch::acceptorCells() const
 {
     return overset().acceptorCells();
diff --git a/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.H b/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.H
index 46dcdcd88..c70543381 100644
--- a/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.H
+++ b/src/overset/oversetMesh/oversetFvPatch/oversetFvPatch.H
@@ -126,6 +126,9 @@ public:
             //  of internal field
             virtual label interfaceSize() const;
 
+            //- Return lduMesh for owner-neighbour addressing
+            virtual const lduMesh& ldu() const;
+
             //- Return acceptor cells
             virtual const labelList& acceptorCells() const;
 
diff --git a/src/overset/oversetMesh/oversetLduInterface/oversetLduInterface.H b/src/overset/oversetMesh/oversetLduInterface/oversetLduInterface.H
index e05d2b233..d32f1239a 100644
--- a/src/overset/oversetMesh/oversetLduInterface/oversetLduInterface.H
+++ b/src/overset/oversetMesh/oversetLduInterface/oversetLduInterface.H
@@ -47,6 +47,7 @@ namespace Foam
 {
 
 // Forward declaration of classes
+class lduMesh;
 class oversetMesh;
 class mapDistribute;
 
@@ -86,6 +87,9 @@ public:
         //  due to different comms pattern
         virtual label interfaceSize() const = 0;
 
+        //- Return lduMesh for owner-neighbour addressing
+        virtual const lduMesh& ldu() const = 0;
+
         //- Return oversetMesh for fine-level addressing
         virtual const oversetMesh& overset() const = 0;