diff --git a/adafruit_fona/adafruit_fona.py b/adafruit_fona/adafruit_fona.py
index 4af6fbb..5ac2b39 100644
--- a/adafruit_fona/adafruit_fona.py
+++ b/adafruit_fona/adafruit_fona.py
@@ -84,7 +84,7 @@ def __init__(
         self,
         uart: UART,
         rst: DigitalInOut,
-        ri: Optional[DigitalInOut] = None,
+        ri: Optional[DigitalInOut] = None,  # pylint: disable=invalid-name
         debug: bool = False,
     ) -> None:
         self._buf = b""  # shared buffer