diff --git a/action.yml b/action.yml
index 1dfaf47..eb21737 100644
--- a/action.yml
+++ b/action.yml
@@ -13,7 +13,7 @@ runs:
       shell: bash
       run: |
         apt-get update
-        apt-get install -y --no-install-recommends gettext-base jq
+        apt-get install -y --no-install-recommends gettext-base jq ansifilter
         npm install -g @openai/codex
 
     - name: Run Codex Bot
diff --git a/scripts/run-codex.sh b/scripts/run-codex.sh
index 95ff125..87f2a68 100644
--- a/scripts/run-codex.sh
+++ b/scripts/run-codex.sh
@@ -17,9 +17,11 @@ post_comment() {
 }
 
 if ! codex login status > /dev/null 2>&1; then
-  codex login --device-auth > "${OUTPUT_FILE}" 2>&1 &
+  LOGIN_FILE="$(mktemp)"
+  codex login --device-auth > "${LOGIN_FILE}" 2>&1 &
   LOGIN_PID="${!}"
   sleep 3
+  ansifilter < "${LOGIN_FILE}" > "${OUTPUT_FILE}"
   post_comment
   wait "${LOGIN_PID}"
   exit 1