diff --git a/src/ostbuild/pyostbuild/vcs.py b/src/ostbuild/pyostbuild/vcs.py
index 45a5c4a4..85f2f85c 100755
--- a/src/ostbuild/pyostbuild/vcs.py
+++ b/src/ostbuild/pyostbuild/vcs.py
@@ -145,7 +145,7 @@ def fetch(mirrordir, keytype, uri, branch, keep_going=False):
     mirror = buildutil.get_mirrordir(mirrordir, keytype, uri)
     last_fetch_path = get_lastfetch_path(mirrordir, keytype, uri, branch)
     run_sync(['git', 'fetch'], cwd=mirror, log_initiation=False,
-             none_on_error=keep_going) 
+             fatal_on_error=not keep_going) 
     current_vcs_version = run_sync_get_output(['git', 'rev-parse', branch], cwd=mirror)
     if current_vcs_version is not None:
         current_vcs_version = current_vcs_version.strip()