diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index 412e1ba84f..05570eb3f3 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -3524,7 +3524,7 @@ ReindexRelationConcurrently(const ReindexStmt *stmt, Oid relationOid, const Rein
 
 					if (!indexRelation->rd_index->indisvalid)
 						ereport(WARNING,
-								(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+								(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 								 errmsg("cannot reindex invalid index \"%s.%s\" concurrently, skipping",
 										get_namespace_name(get_rel_namespace(cellOid)),
 										get_rel_name(cellOid))));
@@ -3576,7 +3576,7 @@ ReindexRelationConcurrently(const ReindexStmt *stmt, Oid relationOid, const Rein
 
 						if (!indexRelation->rd_index->indisvalid)
 							ereport(WARNING,
-									(errcode(ERRCODE_INDEX_CORRUPTED),
+									(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
 									 errmsg("cannot reindex invalid index \"%s.%s\" concurrently, skipping",
 											get_namespace_name(get_rel_namespace(cellOid)),
 											get_rel_name(cellOid))));