diff --git a/devstack/settings b/devstack/settings
index 0366d90ca..f4852ea20 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -7,7 +7,7 @@ ZAQAR_CONF_DIR=/etc/zaqar
 ZAQAR_CONF=$ZAQAR_CONF_DIR/zaqar.conf
 ZAQAR_POLICY_CONF=$ZAQAR_CONF_DIR/policy.yaml
 ZAQAR_UWSGI_CONF=$ZAQAR_CONF_DIR/uwsgi.conf
-ZAQAR_UWSGI=$ZAQAR_DIR/zaqar/transport/wsgi/app.py
+ZAQAR_UWSGI=zaqar.transport.wsgi.app:application
 ZAQAR_API_LOG_DIR=/var/log/zaqar
 ZAQAR_API_LOG_FILE=$ZAQAR_API_LOG_DIR/queues.log
 ZAQAR_AUTH_CACHE_DIR=${ZAQAR_AUTH_CACHE_DIR:-/var/cache/zaqar}
diff --git a/zaqar/transport/wsgi/app.py b/zaqar/transport/wsgi/app.py
index ff4909114..8fcf1f26c 100644
--- a/zaqar/transport/wsgi/app.py
+++ b/zaqar/transport/wsgi/app.py
@@ -26,6 +26,8 @@ no common way to specify / pass configuration files
 to the WSGI app when it is called from other apps.
 """
 
+import threading
+
 from oslo_config import cfg
 from oslo_log import log
 from oslo_reports import guru_meditation_report as gmr
@@ -35,16 +37,27 @@ from zaqar import bootstrap
 from zaqar import version
 
 # Use the global CONF instance
-conf = cfg.CONF
-gmr_opts.set_defaults(conf)
-log.register_options(conf)
-conf(project='zaqar', prog='zaqar-queues', args=[])
-log.setup(conf, 'zaqar')
+CONF = cfg.CONF
 
-gmr.TextGuruMeditation.setup_autorun(version, conf=conf)
 
-boot = bootstrap.Bootstrap(conf)
-conf.drivers.transport = 'wsgi'
-application = boot.transport.app
-# Keep the old name for compatibility
-app = application
+def init_application():
+    gmr_opts.set_defaults(CONF)
+    log.register_options(CONF)
+    CONF(project='zaqar', prog='zaqar-queues', args=[])
+    log.setup(CONF, 'zaqar')
+
+    gmr.TextGuruMeditation.setup_autorun(version, conf=CONF)
+
+    boot = bootstrap.Bootstrap(CONF)
+    CONF.drivers.transport = 'wsgi'
+    return boot.transport.app
+
+
+app = application = None
+
+lock = threading.Lock()
+with lock:
+    if application is None:
+        application = init_application()
+        # Keep the old name for compatibility
+        app = application