diff --git a/openstack/compute/v2/_proxy.py b/openstack/compute/v2/_proxy.py
index e15629930..61bf6a71e 100644
--- a/openstack/compute/v2/_proxy.py
+++ b/openstack/compute/v2/_proxy.py
@@ -2174,7 +2174,7 @@ class Proxy(proxy.Proxy):
         return self._get(
             _server_action.ServerAction,
             server_id=server_id,
-            action_id=server_action,
+            request_id=server_action,
             ignore_missing=ignore_missing,
         )
 
diff --git a/openstack/compute/v2/server_action.py b/openstack/compute/v2/server_action.py
index fff96ae88..06e4a12e3 100644
--- a/openstack/compute/v2/server_action.py
+++ b/openstack/compute/v2/server_action.py
@@ -49,7 +49,7 @@ class ServerActionEvent(resource.Resource):
 class ServerAction(resource.Resource):
     resource_key = 'instanceAction'
     resources_key = 'instanceActions'
-    base_path = '/servers/{server_id}/os-instance-actions'
+    base_path = '/servers/%(server_id)s/os-instance-actions'
 
     # capabilities
     allow_fetch = True
@@ -68,7 +68,7 @@ class ServerAction(resource.Resource):
     # #: The ID of the server that this action relates to.
     # server_id = resource.Body('instance_uuid')
     #: The ID of the request that this action related to.
-    request_id = resource.Body('request_id')
+    request_id = resource.Body('request_id', alternate_id=True)
     #: The ID of the user which initiated the server action.
     user_id = resource.Body('user_id')
     #: The ID of the project that this server belongs to.
diff --git a/openstack/tests/unit/compute/v2/test_proxy.py b/openstack/tests/unit/compute/v2/test_proxy.py
index 9b166cc07..8c71fadcd 100644
--- a/openstack/tests/unit/compute/v2/test_proxy.py
+++ b/openstack/tests/unit/compute/v2/test_proxy.py
@@ -1453,11 +1453,11 @@ class TestServerAction(TestComputeProxy):
         self._verify(
             'openstack.proxy.Proxy._get',
             self.proxy.get_server_action,
-            method_args=['action_id'],
+            method_args=['request_id'],
             method_kwargs={'server': 'server_id'},
             expected_args=[server_action.ServerAction],
             expected_kwargs={
-                'action_id': 'action_id', 'server_id': 'server_id',
+                'request_id': 'request_id', 'server_id': 'server_id',
             },
         )
 
diff --git a/openstack/tests/unit/compute/v2/test_server_actions.py b/openstack/tests/unit/compute/v2/test_server_actions.py
index bb34e2661..881634c35 100644
--- a/openstack/tests/unit/compute/v2/test_server_actions.py
+++ b/openstack/tests/unit/compute/v2/test_server_actions.py
@@ -55,7 +55,7 @@ class TestServerAction(base.TestCase):
         self.assertEqual('instanceAction', sot.resource_key)
         self.assertEqual('instanceActions', sot.resources_key)
         self.assertEqual(
-            '/servers/{server_id}/os-instance-actions',
+            '/servers/%(server_id)s/os-instance-actions',
             sot.base_path,
         )
         self.assertTrue(sot.allow_fetch)