diff --git a/openstack/compute/v2/extension.py b/openstack/compute/v2/extension.py
index 4b19b0934..c4da9681b 100644
--- a/openstack/compute/v2/extension.py
+++ b/openstack/compute/v2/extension.py
@@ -17,7 +17,6 @@ class Extension(resource.Resource):
     resource_key = 'extension'
     resources_key = 'extensions'
     base_path = '/extensions'
-    id_attribute = "alias"
 
     # capabilities
     allow_fetch = True
@@ -30,7 +29,7 @@ class Extension(resource.Resource):
     description = resource.Body('description')
     #: Links pertaining to this extension. This is a list of dictionaries,
     #: each including keys ``href`` and ``rel``.
-    links = resource.Body('links')
+    links = resource.Body('links', type=list, list_type=dict)
     #: The name of the extension.
     name = resource.Body('name')
     #: A URL pointing to the namespace for this extension.
diff --git a/openstack/identity/v2/extension.py b/openstack/identity/v2/extension.py
index e5343b2b4..7e47bf610 100644
--- a/openstack/identity/v2/extension.py
+++ b/openstack/identity/v2/extension.py
@@ -31,7 +31,7 @@ class Extension(resource.Resource):
     #: A description of the extension. *Type: string*
     description = resource.Body('description')
     #: Links to the documentation in various format. *Type: string*
-    links = resource.Body('links')
+    links = resource.Body('links', type=list, list_type=dict)
     #: The name of the extension. *Type: string*
     name = resource.Body('name')
     #: The second unique identifier of the extension after the alias.
diff --git a/openstack/network/v2/extension.py b/openstack/network/v2/extension.py
index 6bb86fa16..2e6736e5f 100644
--- a/openstack/network/v2/extension.py
+++ b/openstack/network/v2/extension.py
@@ -32,7 +32,7 @@ class Extension(resource.Resource):
     #: Text describing what the extension does.
     description = resource.Body('description')
     #: Links pertaining to this extension.
-    links = resource.Body('links')
+    links = resource.Body('links', type=list, list_type=dict)
     #: The name of this extension.
     name = resource.Body('name')
     #: Timestamp when the extension was last updated.
diff --git a/openstack/tests/unit/compute/v2/test_extension.py b/openstack/tests/unit/compute/v2/test_extension.py
index ddf54bd9e..421cbd3af 100644
--- a/openstack/tests/unit/compute/v2/test_extension.py
+++ b/openstack/tests/unit/compute/v2/test_extension.py
@@ -18,7 +18,7 @@ IDENTIFIER = 'IDENTIFIER'
 EXAMPLE = {
     'alias': '1',
     'description': '2',
-    'links': '3',
+    'links': [],
     'name': '4',
     'namespace': '5',
     'updated': '2015-03-09T12:14:57.233772',
diff --git a/openstack/tests/unit/identity/v2/test_extension.py b/openstack/tests/unit/identity/v2/test_extension.py
index 912e79b59..b6df19f9e 100644
--- a/openstack/tests/unit/identity/v2/test_extension.py
+++ b/openstack/tests/unit/identity/v2/test_extension.py
@@ -19,7 +19,7 @@ IDENTIFIER = 'IDENTIFIER'
 EXAMPLE = {
     'alias': '1',
     'description': '2',
-    'links': '3',
+    'links': [],
     'name': '4',
     'namespace': '5',
     'updated': '2015-03-09T12:14:57.233772',
diff --git a/openstack/tests/unit/network/v2/test_extension.py b/openstack/tests/unit/network/v2/test_extension.py
index 6a6e6e32e..1f0d1468f 100644
--- a/openstack/tests/unit/network/v2/test_extension.py
+++ b/openstack/tests/unit/network/v2/test_extension.py
@@ -18,7 +18,7 @@ IDENTIFIER = 'IDENTIFIER'
 EXAMPLE = {
     'alias': '1',
     'description': '2',
-    'links': '3',
+    'links': [],
     'name': '4',
     'updated': '2016-03-09T12:14:57.233772',
 }