diff --git a/spacy/cli/converters/jsonl2json.py b/spacy/cli/converters/jsonl2json.py
index 91dd42982..1c1bc45c7 100644
--- a/spacy/cli/converters/jsonl2json.py
+++ b/spacy/cli/converters/jsonl2json.py
@@ -7,7 +7,7 @@ from ...gold import docs_to_json
 from ...util import get_lang_class, minibatch
 
 
-def ner_jsonl2json(input_data, lang=None, n_sents=10, use_morphology=False):
+def ner_jsonl2json(input_data, lang=None, n_sents=10, use_morphology=False, **_):
     if lang is None:
         raise ValueError("No --lang specified, but tokenization required")
     json_docs = []