diff --git a/adafruit_displayio_sh1106.py b/adafruit_displayio_sh1106.py
index c3bf2c8..7f0a66d 100644
--- a/adafruit_displayio_sh1106.py
+++ b/adafruit_displayio_sh1106.py
@@ -62,7 +62,7 @@ class SH1106(displayio.Display):
     :param int rotation: The rotation of the display. 0, 90, 180 or 270.
     """
 
-    def __init__(self, bus: displayio.Fourwire, **kwargs) -> None:
+    def __init__(self, bus: displayio.FourWire, **kwargs) -> None:
         init_sequence = bytearray(_INIT_SEQUENCE)
         super().__init__(
             bus,