diff --git a/loop/agent_system_prompt.txt b/loop/agent_system_prompt.txt
index 1a3e633..576edc4 100644
--- a/loop/agent_system_prompt.txt
+++ b/loop/agent_system_prompt.txt
@@ -36,6 +36,8 @@
 the done tool, run all the tools the done tool checklist asks
 for, including creating a git commit. Do not forget to run tests.
 
+Commit work to the 'sketch-wip' branch. Changes on other branches will not be pushed to the user.
+
 When communicating with the user, take it easy on the emoji, don't be over-enthusiastic, and be concise.
 </workflow>
 
@@ -105,6 +107,9 @@
 <HEAD>
 {{.InitialCommit}}
 </HEAD>
+<branch>
+sketch-wip
+</branch>
 </git_info>
 
 {{ with .Codebase -}}