diff --git a/plugin/util.py b/plugin/util.py
index e2d6741..0646cd8 100644
--- a/plugin/util.py
+++ b/plugin/util.py
@@ -65,22 +65,22 @@ def cardAnswer(card):
     return card.answer()
 
 
-def setting(key):
-    defaults = {
-        'apiKey': None,
-        'apiLogPath': None,
-        'apiPollInterval': 25,
-        'apiVersion': 6,
-        'webBacklog': 5,
-        'webBindAddress': os.getenv('ANKICONNECT_BIND_ADDRESS', '127.0.0.1'),
-        'webBindPort': 8765,
-        'webCorsOrigin': os.getenv('ANKICONNECT_CORS_ORIGIN', None),
-        'webCorsOriginList': ['http://localhost'],
-        'ignoreOriginList': [],
-        'webTimeout': 10000,
-    }
+DEFAULT_CONFIG = {
+    'apiKey': None,
+    'apiLogPath': None,
+    'apiPollInterval': 25,
+    'apiVersion': 6,
+    'webBacklog': 5,
+    'webBindAddress': os.getenv('ANKICONNECT_BIND_ADDRESS', '127.0.0.1'),
+    'webBindPort': 8765,
+    'webCorsOrigin': os.getenv('ANKICONNECT_CORS_ORIGIN', None),
+    'webCorsOriginList': ['http://localhost'],
+    'ignoreOriginList': [],
+    'webTimeout': 10000,
+}
 
+def setting(key):
     try:
-        return aqt.mw.addonManager.getConfig(__name__).get(key, defaults[key])
+        return aqt.mw.addonManager.getConfig(__name__).get(key, DEFAULT_CONFIG[key])
     except:
         raise Exception('setting {} not found'.format(key))