diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.C
index 8be08c4f15..aacea11eaf 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.C
@@ -70,7 +70,7 @@ Foam::GAMGAgglomeration::GAMGAgglomeration
     const dictionary& controlDict
 )
 :
-    MeshObject<lduMesh, Foam::TopologicalMeshObject, GAMGAgglomeration>(mesh),
+    MeshObject<lduMesh, Foam::GeometricMeshObject, GAMGAgglomeration>(mesh),
 
     maxLevels_(50),
 
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.H b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.H
index b85704ee3e..c6ad6d2c5c 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.H
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomeration.H
@@ -58,7 +58,7 @@ class lduMatrix;
 
 class GAMGAgglomeration
 :
-    public MeshObject<lduMesh, TopologicalMeshObject, GAMGAgglomeration>
+    public MeshObject<lduMesh, GeometricMeshObject, GAMGAgglomeration>
 {
 protected: