diff --git a/tests/charmhelpers/contrib/amulet/utils.py b/tests/charmhelpers/contrib/amulet/utils.py
index 5088b1d1..e2d628be 100644
--- a/tests/charmhelpers/contrib/amulet/utils.py
+++ b/tests/charmhelpers/contrib/amulet/utils.py
@@ -79,6 +79,8 @@ class AmuletUtils(object):
         for k, v in six.iteritems(commands):
             for cmd in v:
                 output, code = k.run(cmd)
+                self.log.debug('{} `{}` returned {}'.format(k.info['unit_name'],
+                                                            cmd, code))
                 if code != 0:
                     return "command `{}` returned {}".format(cmd, str(code))
         return None