diff --git a/modules/dists/BlockCycDist.chpl b/modules/dists/BlockCycDist.chpl
index e567f26dddb3..047ca98c3d47 100644
--- a/modules/dists/BlockCycDist.chpl
+++ b/modules/dists/BlockCycDist.chpl
@@ -184,7 +184,7 @@ is mapped to.
 */
 
 
-record blockCycDist {
+record blockCycDist: writeSerializable {
   param rank: int;
   type idxType = int;