diff --git a/src/lagrangian/basic/InteractionLists/ReferredCellList/ReferredCellList.C b/src/lagrangian/basic/InteractionLists/ReferredCellList/ReferredCellList.C
index 1f5cd9e194..b2e482f212 100644
--- a/src/lagrangian/basic/InteractionLists/ReferredCellList/ReferredCellList.C
+++ b/src/lagrangian/basic/InteractionLists/ReferredCellList/ReferredCellList.C
@@ -368,7 +368,7 @@ void Foam::ReferredCellList<ParticleType>::buildReferredCellList
             // boundaries.  Separate treatment allows the serial version to run
             // transparently.
 
-            if (mesh.boundaryMesh()[patchI].type() == "cyclic")
+            if (isA<cyclicPolyPatch>(mesh.boundaryMesh()[patchI]))
             {
                 const cyclicPolyPatch& patch = refCast<const cyclicPolyPatch>
                 (