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-rw-r--r--kolla/common/utils.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/kolla/common/utils.py b/kolla/common/utils.py
index bb499dfe5..8913b132e 100644
--- a/kolla/common/utils.py
+++ b/kolla/common/utils.py
@@ -69,5 +69,5 @@ def squash(old_image, new_image,
subprocess.check_output(cmds, stderr=subprocess.STDOUT) # nosec
except subprocess.CalledProcessError as ex:
LOG.exception('Get error during squashing image: %s',
- ex.stdout)
+ ex.output)
raise