diff --git a/workflows/solve-issue/roles/committer/prompt.ts b/workflows/solve-issue/roles/committer/prompt.ts
index f07a9a3..18e2a40 100644
--- a/workflows/solve-issue/roles/committer/prompt.ts
+++ b/workflows/solve-issue/roles/committer/prompt.ts
@@ -31,7 +31,7 @@ In the thread, locate \`---SOLVE_ISSUE_PARSE---\` and \`---SOLVE_ISSUE_REPO---\`
    - Example: \`git checkout -b fix/42-auth-timeout\`
 5. \`git add -A\`
 6. Write a **conventional commit** message (e.g. \`fix(scope): summary\` or \`feat(scope): summary\`) describing **what** changed and **why**, using the thread (plan + implement context).
-7. \`git commit -m "<message>"\` — use a single \`-m\` for a one-line message, or multiple \`-m\` for body paragraphs if needed.
+7. \`git commit -m "<message>"\` — use a single \`-m\` for a one-line message, or multiple \`-m\` for body paragraphs if needed. Do **not** pass \`--author\` — always use the repo's local git config identity.
 8. \`git push -u origin <branch-name>\`
 
 **committed=true** only if you created the branch, committed successfully, and **push** succeeded.