diff --git a/quart_session/__init__.py b/quart_session/__init__.py
index fd05934..8c665de 100644
--- a/quart_session/__init__.py
+++ b/quart_session/__init__.py
@@ -10,7 +10,7 @@
     :license: BSD, see LICENSE for more details.
 """
 
-__version__ = '1.0.3'
+__version__ = '1.0.4'
 
 import os
 
diff --git a/quart_session/sessions.py b/quart_session/sessions.py
index 90a25e2..fa52faf 100644
--- a/quart_session/sessions.py
+++ b/quart_session/sessions.py
@@ -229,7 +229,7 @@ class RedisSessionInterface(SessionInterface):
         """
         if self.backend is None:
             import aioredis
-            uri = app.config.get('SESSION_URI', 'redis://localhost')
+            uri = self._config.get('SESSION_URI', 'redis://localhost')
             self.backend = await aioredis.from_url(
                 uri, encoding="utf-8", decode_responses=True
             )
diff --git a/setup.py b/setup.py
index c780967..169f9e4 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ INSTALL_REQUIRES = [
 
 setup(
     name='Quart-Session',
-    version='1.0.3',
+    version='1.0.4',
     url='https://github.com/sferdi0/quart-session',
     license='BSD',
     author='Sander',