diff --git a/kafka/record/_crc32c.py b/kafka/record/_crc32c.py
index ecff48f5e..3988a6833 100644
--- a/kafka/record/_crc32c.py
+++ b/kafka/record/_crc32c.py
@@ -141,5 +141,5 @@ def crc(data):
     import sys
     # TODO remove the pylint disable once pylint fixes
     # https://github.com/PyCQA/pylint/issues/2571
-    data = sys.stdin.read()  # pylint: disable=assignment-from-no-return
+    data = sys.stdin.buffer.read()  # pylint: disable=assignment-from-no-return
     print(hex(crc(data)))