diff --git a/src/foreign_key.c b/src/foreign_key.c
index f7c4b6f862e..dc4d24b736d 100644
--- a/src/foreign_key.c
+++ b/src/foreign_key.c
@@ -80,6 +80,9 @@ propagate_fk(Relation ht_rel, HeapTuple fk_tuple, List *chunks)
 	foreach (lc, chunks)
 	{
 		Chunk *chunk = lfirst(lc);
+		if (chunk->fd.osm_chunk)
+			continue;
+
 		clone_constraint_on_chunk(chunk,
 								  ht_rel,
 								  fk,