diff --git a/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C b/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C
index 426182f176..68069c88cf 100644
--- a/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C
+++ b/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C
@@ -122,7 +122,7 @@ void Foam::lduPrimitiveMesh::checkUpperTriangular
 }
 
 
-Foam::label Foam::lduPrimitiveMesh::size
+Foam::label Foam::lduPrimitiveMesh::totalSize
 (
     const PtrList<lduPrimitiveMesh>& meshes
 )
@@ -294,7 +294,7 @@ Foam::lduPrimitiveMesh::lduPrimitiveMesh
     labelListListList& boundaryFaceMap
 )
 :
-    lduAddressing(myMesh.lduAddr().size() + size(otherMeshes)),
+    lduAddressing(myMesh.lduAddr().size() + totalSize(otherMeshes)),
     lowerAddr_(0),
     upperAddr_(0),
     interfaces_(0),
diff --git a/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.H b/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.H
index 36b7e93d3c..66c26dc37e 100644
--- a/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.H
+++ b/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.H
@@ -76,7 +76,7 @@ class lduPrimitiveMesh
     // Private Member Functions
 
         //- Get size of all meshes
-        static label size(const PtrList<lduPrimitiveMesh>&);
+        static label totalSize(const PtrList<lduPrimitiveMesh>&);
 
         static labelList upperTriOrder
         (
diff --git a/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C b/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C
index 25df8d29d1..46bcbc8953 100644
--- a/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C
+++ b/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C
@@ -119,7 +119,8 @@ Foam::MGridGenGAMGAgglomeration::MGridGenGAMGAgglomeration
                 new scalarField(meshLevels_[nCreatedLevels].size())
             );
 
-            restrictField(*aggVPtr, *VPtr, nCreatedLevels);
+            // Restrict but no parallel agglomeration (not supported)
+            restrictField(*aggVPtr, *VPtr, nCreatedLevels, false);
 
             if (nCreatedLevels)
             {
@@ -157,7 +158,8 @@ Foam::MGridGenGAMGAgglomeration::MGridGenGAMGAgglomeration
                 new scalarField(meshLevels_[nCreatedLevels].size())
             );
 
-            restrictField(*aggSbPtr, *SbPtr, nCreatedLevels);
+            // Restrict but no parallel agglomeration (not supported)
+            restrictField(*aggSbPtr, *SbPtr, nCreatedLevels, false);
 
             delete SbPtr;
             SbPtr = aggSbPtr;