diff --git a/src/meshTools/processorLOD/box/box.C b/src/meshTools/processorLOD/box/box.C
index f7d1afbd9b..232c0fd208 100644
--- a/src/meshTools/processorLOD/box/box.C
+++ b/src/meshTools/processorLOD/box/box.C
@@ -430,7 +430,7 @@ Foam::autoPtr<Foam::mapDistribute> Foam::processorLODs::box::createMap
     // Store elements to send - will be used to build the mapDistribute
     List<labelHashSet> fixedSendElems(Pstream::nProcs());
 
-    // List of local tgt elems to optimise searching fot tgt elements inside
+    // List of local tgt elems to optimise searching for tgt elements inside
     // remote src boxes
     List<List<labelList>> localTgtElems(Pstream::nProcs());
 
diff --git a/src/sampling/meshToMesh/meshToMeshParallelOps.C b/src/sampling/meshToMesh/meshToMeshParallelOps.C
index c340b14c5a..2d873c7fa8 100644
--- a/src/sampling/meshToMesh/meshToMeshParallelOps.C
+++ b/src/sampling/meshToMesh/meshToMeshParallelOps.C
@@ -131,9 +131,8 @@ Foam::autoPtr<Foam::mapDistribute> Foam::meshToMesh::calcProcMap
             // Create processor map of overlapping faces. This map gets
             // (possibly remote) cells from the tgt mesh such that they
             // (together) cover all of the src mesh
-            label nGlobalSrcCells =
-                returnReduce(src.cells().size(), sumOp<label>());
-            label cellsPerBox = max(1, 0.001*nGlobalSrcCells);
+            const label nGlobalSrcCells = src.globalData().nTotalCells();
+            const label cellsPerBox = max(1, 0.001*nGlobalSrcCells);
             typename processorLODs::cellBox boxLOD
             (
                 src.cells(),