diff --git a/src/OpenFOAM/meshes/polyMesh/polyMesh.C b/src/OpenFOAM/meshes/polyMesh/polyMesh.C
index 06cf6d738e..e2fe25310f 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMesh.C
+++ b/src/OpenFOAM/meshes/polyMesh/polyMesh.C
@@ -845,7 +845,7 @@ void Foam::polyMesh::swap(polyMesh& otherMesh)
             {
                 boundaryMesh[otherPatchi] = polyPatch
                 (
-                    otherPatches[otherPatchi],
+                    boundaryMesh[otherPatchi],
                     boundaryMesh,
                     otherPatchi,
                     otherPatches[otherPatchi].size(),