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-rw-r--r--docker/utils/utils.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/docker/utils/utils.py b/docker/utils/utils.py
index e4a3c9e..b2834ad 100644
--- a/docker/utils/utils.py
+++ b/docker/utils/utils.py
@@ -129,7 +129,9 @@ def ping(url):
except Exception:
return False
else:
- return res.status_code < 400
+ # We don't send yet auth headers
+ # and a v2 registry will respond with status 401
+ return res.status_code == 401 or res.status_code < 400
def _convert_port_binding(binding):