diff --git a/fdroidserver/deploy.py b/fdroidserver/deploy.py
index da0e8d8d..6db6ab54 100644
--- a/fdroidserver/deploy.py
+++ b/fdroidserver/deploy.py
@@ -805,9 +805,10 @@ def upload_to_servergitmirror(
                 | git.remote.PushInfo.REMOTE_REJECTED
             ):
                 # Show potentially useful messages from git remote
-                for line in progress.other_lines:
-                    if line.startswith('remote:'):
-                        logging.debug(line)
+                if progress:
+                    for line in progress.other_lines:
+                        if line.startswith('remote:'):
+                            logging.debug(line)
                 raise FDroidException(
                     remote.url
                     + ' push failed: '