diff --git a/adafruit_ads1x15/ads1x15.py b/adafruit_ads1x15/ads1x15.py
index 0f31f53..34b54fe 100644
--- a/adafruit_ads1x15/ads1x15.py
+++ b/adafruit_ads1x15/ads1x15.py
@@ -199,5 +199,5 @@ def _read_register(self, reg, fast=False):
             if fast:
                 i2c.readinto(self.buf, end=2)
             else:
-                i2c.write_then_readinto(bytearray([reg]), self.buf, in_end=2, stop=False)
+                i2c.write_then_readinto(bytearray([reg]), self.buf, in_end=2)
         return self.buf[0] << 8 | self.buf[1]