diff --git a/.github/workflows/deploy_prod.yml b/.github/workflows/deploy_prod.yml
index da3caf71..5dbedf0d 100644
--- a/.github/workflows/deploy_prod.yml
+++ b/.github/workflows/deploy_prod.yml
@@ -16,11 +16,11 @@ jobs:
       - run: |
           flyctl deploy --config fly-app-prod.toml --remote-only \
           -e "BOT_TOKEN=${{ secrets.BOT_TOKEN }},\
-          DB_HOST=${{ secrets.DB_HOST }},\
+          DB_HOST=${{ env.DB_HOST }},\
           DB_NAME=${{ secrets.DB_NAME }},\
           DB_PASSWORD=${{ secrets.DB_PASSWORD }},\
-          DB_PORT=${{ secrets.DB_PORT }},\
-          DB_USER=${{ secrets.DB_USER }},\
+          DB_PORT=${{ env.DB_PORT }},\
+          DB_USER=${{ env.DB_USER }},\
           LOGGING_LEVEL=${{ secrets.LOGGING_LEVEL }},\
           TELEGRAM_BOT_MODE=${{ secrets.TELEGRAM_BOT_MODE }},\
           LINE_NOTIFY_REDIRECT_URL=${{ secrets.LINE_NOTIFY_REDIRECT_URL }},\