diff --git a/tests/test_timezones.py b/tests/test_timezones.py
index d865f31e..8813050e 100644
--- a/tests/test_timezones.py
+++ b/tests/test_timezones.py
@@ -48,7 +48,7 @@ def test_timezone_invalid_zone():
 def test_timezone_invalid_offset():
     """Test that Timezone creation fails with bad input type."""
     with pytest.raises(TypeError, match="Timezone must be a string or an int"):
-        Timezone(1.23)  # Invalid offset input
+        Timezone(None)  # Invalid offset input
 
 
 @pytest.mark.skipif(not is_macos, reason="macOS only")