diff --git a/sql/iterators/composite_iterators.cc b/sql/iterators/composite_iterators.cc
index d1459b40895..017c909b24e 100644
--- a/sql/iterators/composite_iterators.cc
+++ b/sql/iterators/composite_iterators.cc
@@ -1703,6 +1703,7 @@ bool TemptableAggregateIterator<Profiler>::Init() {
       create_scope_guard([&] { table()->file->ha_index_end(); });
 
   PFSBatchMode pfs_batch_mode(m_subquery_iterator.get());
+  m_join->set_ref_item_slice(REF_SLICE_SAVED_BASE);
   for (;;) {
     int read_error = m_subquery_iterator->Read();
     if (read_error > 0 || thd()->is_error())  // Fatal error