diff --git a/openstack/compute/v2/_proxy.py b/openstack/compute/v2/_proxy.py
index 0ef062387..419fb4dd9 100644
--- a/openstack/compute/v2/_proxy.py
+++ b/openstack/compute/v2/_proxy.py
@@ -2465,7 +2465,8 @@ class Proxy(proxy.Proxy):
             None,
             project_id=project.id,
         )
-        return res.fetch(self, usage=usage, **query)
+        base_path = '/os-quota-sets/%(project_id)s/detail' if usage else None
+        return res.fetch(self, base_path=base_path, **query)
 
     def get_quota_set_defaults(self, project):
         """Show QuotaSet defaults for the project
@@ -2484,7 +2485,9 @@ class Proxy(proxy.Proxy):
             None,
             project_id=project.id,
         )
-        return res.fetch(self, base_path='/os-quota-sets/defaults')
+        return res.fetch(
+            self, base_path='/os-quota-sets/%(project_id)s/defaults'
+        )
 
     def revert_quota_set(self, project, **query):
         """Reset Quota for the project/user.
diff --git a/openstack/tests/unit/cloud/test_quotas.py b/openstack/tests/unit/cloud/test_quotas.py
index 50dbe7f41..d02b2e7d8 100644
--- a/openstack/tests/unit/cloud/test_quotas.py
+++ b/openstack/tests/unit/cloud/test_quotas.py
@@ -125,7 +125,6 @@ class TestQuotas(base.TestCase):
                         'compute',
                         'public',
                         append=['os-quota-sets', project.project_id],
-                        qs_elements=['usage=False'],
                     ),
                     json={'quota_set': fake_quota_set},
                 ),
diff --git a/openstack/tests/unit/compute/v2/test_proxy.py b/openstack/tests/unit/compute/v2/test_proxy.py
index 5c11d9e2a..38a6474ec 100644
--- a/openstack/tests/unit/compute/v2/test_proxy.py
+++ b/openstack/tests/unit/compute/v2/test_proxy.py
@@ -1642,7 +1642,6 @@ class TestQuotaSet(TestComputeProxy):
             expected_kwargs={
                 'error_message': None,
                 'requires_id': False,
-                'usage': False,
             },
             method_result=quota_set.QuotaSet(),
             expected_result=quota_set.QuotaSet(),
@@ -1658,8 +1657,8 @@ class TestQuotaSet(TestComputeProxy):
             expected_kwargs={
                 'error_message': None,
                 'requires_id': False,
-                'usage': True,
                 'user_id': 'uid',
+                'base_path': '/os-quota-sets/%(project_id)s/detail',
             },
         )
 
@@ -1672,7 +1671,7 @@ class TestQuotaSet(TestComputeProxy):
             expected_kwargs={
                 'error_message': None,
                 'requires_id': False,
-                'base_path': '/os-quota-sets/defaults',
+                'base_path': '/os-quota-sets/%(project_id)s/defaults',
             },
         )