diff --git a/src/backend/nodes/tidbitmap.c b/src/backend/nodes/tidbitmap.c
index ae7a913..d579d1b 100644
--- a/src/backend/nodes/tidbitmap.c
+++ b/src/backend/nodes/tidbitmap.c
@@ -872,6 +872,7 @@ tbm_prepare_shared_iterate(TIDBitmap *tbm)
 			tbm->dsapagetable = dsa_allocate(tbm->dsa, sizeof(PTEntryArray) +
 											 sizeof(PagetableEntry));
 			ptbase = dsa_get_address(tbm->dsa, tbm->dsapagetable);
+			memcpy(ptbase->ptentry, &tbm->entry1, sizeof(PagetableEntry));
 			ptpages->index[0] = 0;
 		}