diff --git a/.gitea/workflows/auto_join.yaml b/.gitea/workflows/auto_join.yaml
index 6feb204..5167b61 100644
--- a/.gitea/workflows/auto_join.yaml
+++ b/.gitea/workflows/auto_join.yaml
@@ -61,7 +61,7 @@ jobs:
             -H "Authorization: token $GITHUB_TOKEN" \
             -H "Accept: application/json" \
             $API_URL/repos/${{ github.repository }}/issues/$ISSUE_NUMBER/comments \
-            -d "{\"body\": \"$COMMENT_BODY\"}"
+            -d '{"body": "$COMMENT_BODY"}'
 
       - name: Close issue
         env: