diff --git a/run_flaschengeist b/run_flaschengeist
index 23f338a..3cf034f 100644
--- a/run_flaschengeist
+++ b/run_flaschengeist
@@ -4,6 +4,26 @@ import argparse
 import sys
 
 import pkg_resources
+from werkzeug.middleware.dispatcher import DispatcherMiddleware
+
+from flaschengeist.config import config
+
+
+class PrefixMiddleware(object):
+
+    def __init__(self, app, prefix=''):
+        self.app = app
+        self.prefix = prefix
+
+    def __call__(self, environ, start_response):
+
+        if environ['PATH_INFO'].startswith(self.prefix):
+            environ['PATH_INFO'] = environ['PATH_INFO'][len(self.prefix):]
+            environ['SCRIPT_NAME'] = self.prefix
+            return self.app(environ, start_response)
+        else:
+            start_response('404', [('Content-Type', 'text/plain')])
+            return ["This url does not belong to the app.".encode()]
 
 
 class InterfaceGenerator:
@@ -100,15 +120,11 @@ def run(arguments):
 
     app = create_app()
     with app.app_context():
+        app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix=config["FLASCHENGEIST"].get("root", ""))
         if arguments.debug:
             app.run(arguments.host, arguments.port, debug=True)
         else:
-            try:
-                import bjoern
-
-                bjoern.run(app, arguments.host, arguments.port, reuse_port=True)
-            except ImportError:
-                app.run(arguments.host, arguments.port, debug=False)
+            app.run(arguments.host, arguments.port, debug=False)
 
 
 def export(arguments):
diff --git a/setup.py b/setup.py
index 527dca7..d97177b 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ setup(
         # Needed for python < 3.7
         "backports-datetime-fromisoformat",
     ],
-    extras_require={"ldap": ["flask_ldapconn", "ldap3"], "bjoern": ["bjoern"]},
+    extras_require={"ldap": ["flask_ldapconn", "ldap3"]},
     entry_points={
         "flaschengeist.plugin": [
             # Authentication providers