diff --git a/src/OpenFOAM/meshes/polyMesh/polyMesh.C b/src/OpenFOAM/meshes/polyMesh/polyMesh.C
index a6bf559568..cea4f62144 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMesh.C
+++ b/src/OpenFOAM/meshes/polyMesh/polyMesh.C
@@ -326,12 +326,13 @@ Foam::polyMesh::polyMesh(const IOobject& io)
     boundary_.calcGeometry();
 
     // Warn if global empty mesh
-    if (returnReduce(nPoints(), sumOp<label>()) == 0)
+    const bool complete = Pstream::parRun() || !time().processorCase();
+    if (complete && returnReduce(nPoints(), sumOp<label>()) == 0)
     {
         WarningInFunction
             << "no points in mesh" << endl;
     }
-    if (returnReduce(nCells(), sumOp<label>()) == 0)
+    if (complete && returnReduce(nCells(), sumOp<label>()) == 0)
     {
         WarningInFunction
             << "no cells in mesh" << endl;