diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 55b8a1d..b04c920 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -5825,7 +5825,7 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 	if (mc->mc_txn->mt_flags & (MDB_TXN_RDONLY|MDB_TXN_ERROR))
 		return (mc->mc_txn->mt_flags & MDB_TXN_RDONLY) ? EACCES : MDB_BAD_TXN;
 
-	if (flags != MDB_CURRENT && key->mv_size-1 >= ENV_MAXKEY(env))
+	if (key->mv_size-1 >= ENV_MAXKEY(env))
 		return MDB_BAD_VALSIZE;
 
 #if SIZE_MAX > MAXDATASIZE