diff --git a/src/backend/distributed/utils/statistics_collection.c b/src/backend/distributed/utils/statistics_collection.c
index 246175aff..ce63c088b 100644
--- a/src/backend/distributed/utils/statistics_collection.c
+++ b/src/backend/distributed/utils/statistics_collection.c
@@ -397,6 +397,7 @@ DistributedTablesSize(List *distTableOids)
 		if (PartitionMethod(relationId) == DISTRIBUTE_BY_HASH &&
 			!SingleReplicatedTable(relationId))
 		{
+			heap_close(relation, AccessShareLock);
 			continue;
 		}