diff --git a/tempest/api/compute/admin/test_simple_tenant_usage.py b/tempest/api/compute/admin/test_simple_tenant_usage.py
index 1c9e5d7..204281c 100644
--- a/tempest/api/compute/admin/test_simple_tenant_usage.py
+++ b/tempest/api/compute/admin/test_simple_tenant_usage.py
@@ -50,7 +50,7 @@
     def test_list_usage_all_tenants(self):
         # Get usage for all tenants
         tenant_usage = self.adm_client.list_tenant_usages(
-            start=self.start, end=self.end, detailed=int(bool(True)))
+            start=self.start, end=self.end, detailed="1")
         self.assertEqual(len(tenant_usage), 8)
 
     @test.idempotent_id('94135049-a4c5-4934-ad39-08fa7da4f22e')
diff --git a/tempest/api/compute/admin/test_simple_tenant_usage_negative.py b/tempest/api/compute/admin/test_simple_tenant_usage_negative.py
index 934fc31..e9b4ad4 100644
--- a/tempest/api/compute/admin/test_simple_tenant_usage_negative.py
+++ b/tempest/api/compute/admin/test_simple_tenant_usage_negative.py
@@ -66,6 +66,6 @@
         # Get usage for all tenants with non admin user
         params = {'start': self.start,
                   'end': self.end,
-                  'detailed': int(bool(True))}
+                  'detailed': "1"}
         self.assertRaises(lib_exc.Forbidden,
                           self.client.list_tenant_usages, **params)