diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index ad7c0376c9..607167c502 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -16532,7 +16532,7 @@ dumpIndexAttach(Archive *fout, IndexAttachInfo *attachinfo)
 					 attachinfo->dobj.name,
 					 attachinfo->dobj.namespace->dobj.name,
 					 NULL,
-					 "",
+					 attachinfo->parentIdx->indextable->rolname,
 					 false, "INDEX ATTACH", SECTION_POST_DATA,
 					 q->data, "", NULL,
 					 NULL, 0,