diff --git a/oslo_context/context.py b/oslo_context/context.py
index 2102791..94c2f8d 100644
--- a/oslo_context/context.py
+++ b/oslo_context/context.py
@@ -419,6 +419,7 @@ class RequestContext(object):
                           values.get('project_domain_name'))
         kwargs.setdefault('is_admin_project',
                           values.get('is_admin_project', True))
+        kwargs.setdefault('system_scope', values.get('system_scope'))
         for key in cls.FROM_DICT_EXTRA_KEYS:
             kwargs.setdefault(key, values.get(key))
         return cls(**kwargs)
diff --git a/oslo_context/tests/test_context.py b/oslo_context/tests/test_context.py
index fa44763..ef19369 100644
--- a/oslo_context/tests/test_context.py
+++ b/oslo_context/tests/test_context.py
@@ -143,7 +143,8 @@ class ContextTest(test_base.BaseTestCase):
             "request_id": "request1",
             "global_request_id": "req-uuid",
             "resource_uuid": "instance1",
-            "extra_data": "foo"
+            "extra_data": "foo",
+            "system_scope": "all"
         }
         ctx = context.RequestContext.from_dict(dct)
         self.assertEqual(dct['auth_token'], ctx.auth_token)
@@ -163,6 +164,7 @@ class ContextTest(test_base.BaseTestCase):
         self.assertEqual(dct['domain_name'], ctx.domain_name)
         self.assertEqual(dct['user_domain_name'], ctx.user_domain_name)
         self.assertEqual(dct['project_domain_name'], ctx.project_domain_name)
+        self.assertEqual(dct['system_scope'], ctx.system_scope)
 
     def test_from_dict_unknown_keys(self):
         dct = {
diff --git a/releasenotes/notes/Fix-system-scope-from_dict-29615af90723ba4d.yaml b/releasenotes/notes/Fix-system-scope-from_dict-29615af90723ba4d.yaml
new file mode 100644
index 0000000..6d18376
--- /dev/null
+++ b/releasenotes/notes/Fix-system-scope-from_dict-29615af90723ba4d.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Fixes context from_dict() to properly handle system_scope.