diff --git a/beer/beer.py b/beer/beer.py
index f8fe914..c7a11a1 100755
--- a/beer/beer.py
+++ b/beer/beer.py
@@ -27,18 +27,19 @@ def index(hours=None, minutes=None):
     return data
 
 @app.route('/favicon.ico')
-def favicon():
+def default_favicon():
     """ serve default favicon """
     return send_from_directory('static', 'clock-icon.png')
 
 @app.route('/favicon/<mode>')
-def favicon():
+def favicon(mode):
     """ serve the favicon according to the timer """
     if mode == 'beer':
-        return send_from_directory('static', 'beer-icon.png')
+        filename = 'beer-icon.png'
     else:
-        return send_from_directory('static', 'clock-icon.png')
+        filename = 'clock-icon.png'
 
+    return send_from_directory('static', filename)
 
 def main():
     """ main func """