diff --git a/sbot/serial_wrapper.py b/sbot/serial_wrapper.py
index 7013d41..ddc1fe5 100644
--- a/sbot/serial_wrapper.py
+++ b/sbot/serial_wrapper.py
@@ -96,6 +96,7 @@ def __init__(
             port,
             baudrate=baud,
             timeout=timeout,
+            write_timeout=timeout,
             do_not_open=True,
         )