diff --git a/seahub/views/ajax.py b/seahub/views/ajax.py
index 4f52a6d179..f4c3990881 100644
--- a/seahub/views/ajax.py
+++ b/seahub/views/ajax.py
@@ -1355,8 +1355,7 @@ def space_and_traffic(request):
         space_usage = seafile_api.get_user_self_usage(username)
     else:
         org_id = org[0].org_id
-        space_quota = seafserv_threaded_rpc.get_org_user_quota(org_id,
-                                                               username)
+        space_quota = seafile_api.get_org_user_quota(org_id, username)
         space_usage = seafserv_threaded_rpc.get_org_user_quota_usage(
             org_id, username)
 
diff --git a/seahub/views/sysadmin.py b/seahub/views/sysadmin.py
index e36cf23131..37a2e97396 100644
--- a/seahub/views/sysadmin.py
+++ b/seahub/views/sysadmin.py
@@ -136,7 +136,7 @@ def _populate_user_quota_usage(user):
             user.org = orgs[0]
             org_id = user.org.org_id
             user.space_usage = seafserv_threaded_rpc.get_org_user_quota_usage(org_id, user.email)
-            user.space_quota = seafserv_threaded_rpc.get_org_user_quota(org_id, user.email)
+            user.space_quota = seafile_api.get_org_user_quota(org_id, user.email)
         else:
             user.space_usage = seafile_api.get_user_self_usage(user.email)
             user.space_quota = seafile_api.get_user_quota(user.email)
@@ -516,7 +516,7 @@ def user_info(request, email):
         org_name = org[0].org_name
         space_usage = seafserv_threaded_rpc.get_org_user_quota_usage(org_id,
                                                                      email)
-        space_quota = seafserv_threaded_rpc.get_org_user_quota(org_id, email)
+        space_quota = seafile_api.get_org_user_quota(org_id, email)
         owned_repos = seafile_api.get_org_owned_repo_list(org_id, email,
                                                           ret_corrupted=True)
         in_repos = seafile_api.get_org_share_in_repo_list(org_id, email, -1, -1)
@@ -661,7 +661,7 @@ def user_set_quota(request, email):
                                             org_quota_mb)
                     return HttpResponse(json.dumps(result), status=400, content_type=content_type)
                 else:
-                    seafserv_threaded_rpc.set_org_user_quota(org_id, email, space_quota)
+                    seafile_api.set_org_user_quota(org_id, email, space_quota)
         except:
             result['error'] = _(u'Failed to set quota: internal server error')
             return HttpResponse(json.dumps(result), status=500, content_type=content_type)