diff --git a/magnum/api/app.py b/magnum/api/app.py
index aa95f5d540..ddbcaae94e 100644
--- a/magnum/api/app.py
+++ b/magnum/api/app.py
@@ -19,7 +19,7 @@ import pecan
 from magnum.api import config as api_config
 from magnum.api import middleware
 from magnum.common import config as common_config
-from magnum.i18n import _
+from magnum.i18n import _LI
 
 # Register options for the service
 API_SERVICE_OPTS = [
@@ -81,7 +81,7 @@ def load_app():
 
     if not cfg_file:
         raise cfg.ConfigFilesNotFoundError([cfg.CONF.api.api_paste_config])
-    LOG.info(_("Full WSGI config used: %s") % cfg_file)
+    LOG.info(_LI("Full WSGI config used: %s"), cfg_file)
     return deploy.loadapp("config:" + cfg_file)