diff --git a/swh/indexer/storage/api/server.py b/swh/indexer/storage/api/server.py
index 8a90dad..5af3461 100644
--- a/swh/indexer/storage/api/server.py
+++ b/swh/indexer/storage/api/server.py
@@ -1,75 +1,80 @@
 # Copyright (C) 2015-2018  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import logging
 import click
 
 from swh.core import config
 from swh.core.api import (SWHServerAPIApp, error_handler,
                           encode_data_server as encode_data)
 from swh.indexer.storage import (
     get_indexer_storage, INDEXER_CFG_KEY, IndexerStorage
 )
 
 
 DEFAULT_CONFIG_PATH = 'storage/indexer'
 DEFAULT_CONFIG = {
     INDEXER_CFG_KEY: ('dict', {
         'cls': 'local',
         'args': {
             'db': 'dbname=softwareheritage-indexer-dev',
         },
     })
 }
 
 
 def get_storage():
     global storage
     if not storage:
         storage = get_indexer_storage(**app.config[INDEXER_CFG_KEY])
 
     return storage
 
 
 app = SWHServerAPIApp(__name__,
                       backend_class=IndexerStorage,
                       backend_factory=get_storage)
 storage = None
 
 
 @app.errorhandler(Exception)
 def my_error_handler(exception):
     return error_handler(exception, encode_data)
 
 
 @app.route('/')
 def index():
     return 'SWH Indexer Storage API server'
 
 
+api_cfg = None
+
+
 def run_from_webserver(environ, start_response,
                        config_path=DEFAULT_CONFIG_PATH):
     """Run the WSGI app from the webserver, loading the configuration."""
-    cfg = config.load_named_config(config_path, DEFAULT_CONFIG)
-    app.config.update(cfg)
+    global api_cfg
+    if not api_cfg:
+        api_cfg = config.load_named_config(config_path, DEFAULT_CONFIG)
+        app.config.update(api_cfg)
     handler = logging.StreamHandler()
     app.logger.addHandler(handler)
     return app(environ, start_response)
 
 
 @click.command()
 @click.argument('config-path', required=1)
 @click.option('--host', default='0.0.0.0', help="Host to run the server")
 @click.option('--port', default=5007, type=click.INT,
               help="Binding port of the server")
 @click.option('--debug/--nodebug', default=True,
               help="Indicates if the server should run in debug mode")
 def launch(config_path, host, port, debug):
     app.config.update(config.read(config_path, DEFAULT_CONFIG))
     app.run(host, port=int(port), debug=bool(debug))
 
 
 if __name__ == '__main__':
     launch()