diff --git a/.github/workflows/mantis-telegram-desktop-proof.yml b/.github/workflows/mantis-telegram-desktop-proof.yml
index 50137debf72..131c8b51e96 100644
--- a/.github/workflows/mantis-telegram-desktop-proof.yml
+++ b/.github/workflows/mantis-telegram-desktop-proof.yml
@@ -346,6 +346,7 @@ jobs:
         run: |
           set -euo pipefail
           sudo useradd --create-home --shell /bin/bash codex
+          sudo install -d -m 0770 -o codex -g sudo /home/codex/.codex
           sudo chown -R codex:codex "$GITHUB_WORKSPACE"
 
       - name: Run Codex Mantis Telegram agent