diff --git a/src/gui_qt/lib/utils.py b/src/gui_qt/lib/utils.py
index 738524c..2c47dfc 100644
--- a/src/gui_qt/lib/utils.py
+++ b/src/gui_qt/lib/utils.py
@@ -223,19 +223,19 @@ class Updater:
     @staticmethod
     @lru_cache(3)
     def get_zsync():
-        url_zsync = f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
+        url_zsync = self.zsync_url
         m_time_zsync = None
         checksum_zsync = None
         zsync_file = None
         filename = None
         try:
             response = requests.get(url_zsync)
-            if response.status_code == requests.codes['\o/']:
+            if response.status_code == 200:
                 zsync_file = response.content
             else:
                 logger.error(f'Request for zsync returned code {response.status_code}')
-        except Exception:
-            logger.exception('Download of zsync failed')
+        except Exception as :
+            logger.exception(f'Download of zsync failed with exception {e.args}')
 
         if zsync_file is not None:
             for line in zsync_file.split(b'\n'):