diff --git a/.gitea/workflows/ota-build.yml b/.gitea/workflows/ota-build.yml
index 5f7eff4..28f5b8e 100644
--- a/.gitea/workflows/ota-build.yml
+++ b/.gitea/workflows/ota-build.yml
@@ -117,7 +117,7 @@ jobs:
               })
 
           release_id = release['id']
-          existing = req(f"{api}/releases/{release_id}/assets")
+          existing = req(f"{api}/releases/{release_id}/assets") or []
           for asset in existing:
               rid = asset['id']
               req(f"{api}/releases/{release_id}/assets/{rid}", method='DELETE')