diff --git a/clients/record_os_version b/clients/record_os_version
index d1f8206..eecf81c 100755
--- a/clients/record_os_version
+++ b/clients/record_os_version
@@ -5,7 +5,8 @@ import time
 
 import ltsdb_record
 
-p = subprocess.run(["/usr/bin/lsb_release", "-ir"], capture_output=True, text=True)
+p = subprocess.run(["/usr/bin/lsb_release", "-ir"],
+                   stdout=subprocess.PIPE, universal_newlines=True)
 for ln in p.stdout.split("\n")[:-1]:
     m = re.match(r"(.*?)\s*:\s+(.*)", ln)
     if m: