diff --git a/wau/providers/github.py b/wau/providers/github.py
index 0c51a75..b669451 100644
--- a/wau/providers/github.py
+++ b/wau/providers/github.py
@@ -1,5 +1,6 @@
 import logging
 import re
+from pathlib import Path
 from typing import Tuple
 
 from .web import Web
@@ -28,7 +29,7 @@ class GitHub(Web):
             url=f"{cls.api_url}/repos/{repo_owner}/{repo_name}/releases/latest"
         ).json()
         for asset in latest_release["assets"]:
-            if asset["content_type"] == "application/x-zip-compressed":
+            if Path(asset["name"]).suffix == ".zip":
                 return super().download(addon, asset["browser_download_url"])
         raise FileNotFoundError("No zip file found for latest release")