From dfa18c1b8d6f1df3cc2fed70c18c04896917fcb5 Mon Sep 17 00:00:00 2001
From: chenmtech <1276094137@qq.com>
Date: Thu, 17 Nov 2022 05:23:47 +0800
Subject: [PATCH] Update matlab.py

---
 wfdb/io/convert/matlab.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wfdb/io/convert/matlab.py b/wfdb/io/convert/matlab.py
index 61d06deb..62de37b1 100644
--- a/wfdb/io/convert/matlab.py
+++ b/wfdb/io/convert/matlab.py
@@ -94,7 +94,8 @@ def wfdb_to_mat(
 
     """
     record = rdrecord(
-        record_name, pn_dir=pn_dir, sampfrom=sampfrom, sampto=sampto
+        record_name, pn_dir=pn_dir, sampfrom=sampfrom, sampto=sampto,
+        channels=channels
     )
     record_name_out = record_name.split(os.sep)[-1].replace("-", "_") + "m"