diff --git a/.github/workflows/manager.yml b/.github/workflows/manager.yml
index 677eedb0..24c1e11b 100644
--- a/.github/workflows/manager.yml
+++ b/.github/workflows/manager.yml
@@ -57,4 +57,4 @@ jobs:
           COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
         run: |
           ESCAPED=`echo $COMMIT_MESSAGE | python3 -c 'import json,sys,urllib.parse; print(urllib.parse.quote(json.dumps(sys.stdin.read())))'`
-          curl -v "https://api.telegram.org/bot${BOT_TOKEN}/sendMediaGroup?chat_id=${CHANNEL_ID}&media=%5B%7B%22type%22:%22document%22,%20%22media%22:%22attach://$release%22,%22caption%22:${ESCAPED}%7D%5D"  -F release="@$release"
+          curl -v "https://api.telegram.org/bot${BOT_TOKEN}/sendMediaGroup?chat_id=${CHANNEL_ID}&media=%5B%7B%22type%22:%22document%22,%20%22media%22:%22attach://release%22,%22caption%22:${ESCAPED}%7D%5D"  -F release="@$FILE"