diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 29dda2352afd..0e7644a3a436 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1937,6 +1937,7 @@ static int __bch2_btree_node_update_key(struct btree_trans *trans,
 	ret = bch2_trans_commit(trans, NULL, NULL,
 				BTREE_INSERT_NOFAIL|
 				BTREE_INSERT_NOCHECK_RW|
+				BTREE_INSERT_USE_RESERVE|
 				BTREE_INSERT_JOURNAL_RECLAIM|
 				BTREE_INSERT_JOURNAL_RESERVED);
 	if (ret)