diff --git a/docs/experiments-msmarco-doc.md b/docs/experiments-msmarco-doc.md
index aa5d8b773..7f821133d 100644
--- a/docs/experiments-msmarco-doc.md
+++ b/docs/experiments-msmarco-doc.md
@@ -169,4 +169,5 @@ We can see that Anserini's (tuned) BM25 baseline is already much better than the
 + Results reproduced by [@AceZhan](https://github.com/AceZhan) on 2022-01-14 (commit [`68be809`](https://github.com/castorini/pyserini/commit/68be8090b8553fc6eaf352ac690a6de9d3dc82dd))
 + Results reproduced by [@jh8liang](https://github.com/jh8liang) on 2022-02-06 (commit [`e03e068`](https://github.com/castorini/pyserini/commit/e03e06880ad4f6d67a1666c1dd45ce4250adc95d))
 + Results reproduced by [@HAKSOAT](https://github.com/HAKSOAT) on 2022-03-11 (commit [`7796685`](https://github.com/castorini/pyserini/commit/77966851755163e36489544fb08f73171e98103f))
-+ Results reproduced by [@jasper-xian](https://github.com/jasper-xian) on 2022-03-27 (commit [`5668edd`](https://github.com/castorini/pyserini/commit/5668edd6f1e61e9c57d600d41d3d1f58b775d371))
\ No newline at end of file
++ Results reproduced by [@jasper-xian](https://github.com/jasper-xian) on 2022-03-27 (commit [`5668edd`](https://github.com/castorini/pyserini/commit/5668edd6f1e61e9c57d600d41d3d1f58b775d371))
++ Results reproduced by [@jx3yang](https://github.com/jx3yang) on 2022-04-25 (commit [`53333e0`](https://github.com/castorini/pyserini/commit/53333e0fb77371e049e24b10da3a20646c7b5af7))
diff --git a/docs/experiments-msmarco-passage.md b/docs/experiments-msmarco-passage.md
index 75db36dae..a83038cca 100644
--- a/docs/experiments-msmarco-passage.md
+++ b/docs/experiments-msmarco-passage.md
@@ -169,4 +169,5 @@ On the other hand, recall@1000 provides the upper bound effectiveness of downstr
 + Results reproduced by [@AceZhan](https://github.com/AceZhan) on 2022-01-14 (commit [`68be809`](https://github.com/castorini/pyserini/commit/68be8090b8553fc6eaf352ac690a6de9d3dc82dd))
 + Results reproduced by [@jh8liang](https://github.com/jh8liang) on 2022-02-06 (commit [`e03e068`](https://github.com/castorini/pyserini/commit/e03e06880ad4f6d67a1666c1dd45ce4250adc95d))
 + Results reproduced by [@HAKSOAT](https://github.com/HAKSOAT) on 2022-03-10 (commit [`7796685`](https://github.com/castorini/pyserini/commit/77966851755163e36489544fb08f73171e98103f))
-+ Results reproduced by [@jasper-xian](https://github.com/jasper-xian) on 2022-03-27 (commit [`5668edd`](https://github.com/castorini/pyserini/commit/5668edd6f1e61e9c57d600d41d3d1f58b775d371))
\ No newline at end of file
++ Results reproduced by [@jasper-xian](https://github.com/jasper-xian) on 2022-03-27 (commit [`5668edd`](https://github.com/castorini/pyserini/commit/5668edd6f1e61e9c57d600d41d3d1f58b775d371))
++ Results reproduced by [@jx3yang](https://github.com/jx3yang) on 2022-04-25 (commit [`53333e0`](https://github.com/castorini/pyserini/commit/53333e0fb77371e049e24b10da3a20646c7b5af7))
diff --git a/pyserini/encode/_base.py b/pyserini/encode/_base.py
index f57fdb259..4723b4da8 100644
--- a/pyserini/encode/_base.py
+++ b/pyserini/encode/_base.py
@@ -127,7 +127,7 @@ def __init__(self, dir_path):
 
     def __enter__(self):
         if not os.path.exists(self.dir_path):
-            os.mkdir(self.dir_path)
+            os.makedirs(self.dir_path)
         self.file = open(os.path.join(self.dir_path, self.filename), 'w')
 
     def __exit__(self, exc_type, exc_val, exc_tb):
@@ -154,7 +154,7 @@ def __init__(self, dir_path, dimension=768):
 
     def __enter__(self):
         if not os.path.exists(self.dir_path):
-            os.mkdir(self.dir_path)
+            os.makedirs(self.dir_path)
         self.id_file = open(os.path.join(self.dir_path, self.id_file_name), 'w')
 
     def __exit__(self, exc_type, exc_val, exc_tb):