diff --git a/acme/acme/client.py b/acme/acme/client.py
index 5f462bf18..cbe543f91 100644
--- a/acme/acme/client.py
+++ b/acme/acme/client.py
@@ -989,7 +989,7 @@ class ClientNetwork(object):
 
         """
         if isinstance(obj, VersionedLEACMEMixin):
-            obj.le_auto_version = acme_version
+            obj.le_acme_version = acme_version
         jobj = obj.json_dumps(indent=2).encode() if obj else b''
         logger.debug('JWS payload:\n%s', jobj)
         kwargs = {
diff --git a/acme/acme/mixins.py b/acme/acme/mixins.py
index 91e832e38..1f3b0f473 100644
--- a/acme/acme/mixins.py
+++ b/acme/acme/mixins.py
@@ -4,19 +4,19 @@
 class VersionedLEACMEMixin(object):
     """This mixin allows to store the current ACME version as a property"""
     @property
-    def le_auto_version(self):
+    def le_acme_version(self):
         """Define the version of ACME protocol to use"""
-        return getattr(self, '_le_auto_version', 1)
+        return getattr(self, '_le_acme_version', 1)
 
-    @le_auto_version.setter
-    def le_auto_version(self, version):
+    @le_acme_version.setter
+    def le_acme_version(self, version):
         # We need to use object.__setattr__ to not depend on the specific implementation of
         # __setattr__  in current class (eg. jose.TypedJSONObjectWithFields raises AttributeError
         # for any attempt to set an attribute to make objects immutable).
-        object.__setattr__(self, '_le_auto_version', version)
+        object.__setattr__(self, '_le_acme_version', version)
 
     def __setattr__(self, key, value):
-        if key == 'le_auto_version':
+        if key == 'le_acme_version':
             # Required for @property to operate properly. See comment above.
             object.__setattr__(self, key, value)
         else:
@@ -32,7 +32,7 @@ class ResourceMixin(VersionedLEACMEMixin):
         """See josepy.JSONDeserializable.to_partial_json()"""
         if hasattr(super(ResourceMixin, self), 'to_partial_json'):
             jobj = super(ResourceMixin, self).to_partial_json()  # type: ignore
-            if self.le_auto_version == 2:
+            if self.le_acme_version == 2:
                 jobj.pop('resource', None)
             return jobj
 
@@ -48,7 +48,7 @@ class TypeMixin(VersionedLEACMEMixin):
         """See josepy.JSONDeserializable.to_partial_json()"""
         if hasattr(super(TypeMixin, self), 'to_partial_json'):
             jobj = super(TypeMixin, self).to_partial_json()  # type: ignore
-            if self.le_auto_version == 2:
+            if self.le_acme_version == 2:
                 jobj.pop('type', None)
             return jobj
 
diff --git a/acme/tests/jws_test.py b/acme/tests/jws_test.py
index 8ca130fa7..a447e5f21 100644
--- a/acme/tests/jws_test.py
+++ b/acme/tests/jws_test.py
@@ -70,7 +70,7 @@ class JWSPayloadRFC8555Compliant(unittest.TestCase):
         from acme.challenges import HTTP01Response
 
         challenge_body = HTTP01Response()
-        challenge_body.le_auto_version = 2
+        challenge_body.le_acme_version = 2
 
         jobj = challenge_body.json_dumps(indent=2).encode()
         # RFC8555 states that challenge requests must have an empty payload.
@@ -85,7 +85,7 @@ class JWSPayloadRFC8555Compliant(unittest.TestCase):
             resource = fields.Resource(resource_type)
 
         resource_body = _MockResourceResponse()
-        resource_body.le_auto_version = 2
+        resource_body.le_acme_version = 2
 
         jobj = resource_body.json_dumps(indent=2).encode()
         # Having a resource field in JWS payloads for resources is not compliant with RFC8555.