diff --git a/docs/changelog.rst b/docs/changelog.rst
index 0e52d365..efa01375 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -23,6 +23,7 @@ In progress (unreleased)
 
 * :gh:issue:`1306` CI: Report sudo version on Ansible targets
 * :gh:issue:`1306` CI: Move sudo test users defaults into ``/etc/sudoers.d``
+* :gh:issue:`1306` preamble_size: Fix variability of measured command size
 
 
 v0.3.27 (2025-08-20)
diff --git a/preamble_size.py b/preamble_size.py
index adea488f..a696b2b5 100755
--- a/preamble_size.py
+++ b/preamble_size.py
@@ -31,7 +31,11 @@ class Table(object):
 
 router = mitogen.master.Router()
 context = mitogen.parent.Context(router, 0)
-options = mitogen.ssh.Options(max_message_size=0, hostname='foo')
+options = mitogen.ssh.Options(
+    hostname='foo',
+    max_message_size=0,
+    remote_name='alice@host:1234',
+)
 conn = mitogen.ssh.Connection(options, router)
 conn.context = context