diff --git a/mo/web/__init__.py b/mo/web/__init__.py
index 5e52757de362ac0b74f1ee1810bb9ace8e3f4485..e3334be71a0a0ae64796dc7da95d0d265128fb00 100644
--- a/mo/web/__init__.py
+++ b/mo/web/__init__.py
@@ -18,8 +18,12 @@ import mo.users
 import mo.util
 from mo.util import logger
 
+# Flask interpretuje relativní cesty všelijak, tak mu vyrobíme absolutní
+mo.config.DATA_DIR = os.path.abspath(mo.config.DATA_DIR)
+static_dir = os.path.abspath('static')
+
 # Aplikační objekt
-app = Flask(__name__, instance_path=os.path.abspath('data'), static_folder=os.path.abspath('static'))
+app = Flask(__name__, instance_path=mo.config.DATA_DIR, static_folder=static_dir)
 app.config.from_object(config)
 app.jinja_options['extensions'].append('jinja2.ext.do')
 app.jinja_env.lstrip_blocks = True