diff --git a/tests/components/graphite/test_init.py b/tests/components/graphite/test_init.py
index dd60f03cd58..696d642cf86 100644
--- a/tests/components/graphite/test_init.py
+++ b/tests/components/graphite/test_init.py
@@ -172,9 +172,9 @@ class TestGraphite(unittest.TestCase):
         assert sock.connect.call_count == 1
         assert sock.connect.call_args == mock.call(("foo", 123))
         assert sock.sendall.call_count == 1
-        assert sock.sendall.call_args == mock.call("foo".encode("ascii"))
+        assert sock.sendall.call_args == mock.call(b"foo")
         assert sock.send.call_count == 1
-        assert sock.send.call_args == mock.call("\n".encode("ascii"))
+        assert sock.send.call_args == mock.call(b"\n")
         assert sock.close.call_count == 1
         assert sock.close.call_args == mock.call()