diff --git a/templates/gunicorn-instance.cfg.erb b/templates/gunicorn-instance.cfg.erb
--- a/templates/gunicorn-instance.cfg.erb
+++ b/templates/gunicorn-instance.cfg.erb
@@ -2,8 +2,11 @@
 # Managed by puppet (class gunicorn::instance <%= @name %>); changes will be lost
 
 import traceback
+
 import gunicorn.glogging
 
+from swh.core.api.gunicorn_config import *
+
 class Logger(gunicorn.glogging.Logger):
     log_only_errors = <%= @log_only_errors_str %>