diff --git a/wquery/service/base.py b/wquery/service/base.py
index 44e36cd..bce1322 100644
--- a/wquery/service/base.py
+++ b/wquery/service/base.py
@@ -194,7 +194,7 @@ def active(self, action_label, word):
 
     @staticmethod
     def get_anki_label(filename, type_):
-        formats = {'audio': u'[sound: {0}]',
+        formats = {'audio': u'[sound:{0}]',
                    'img': u'<img src="{0}">',
                    'video': u'<video controls="controls" width="100%" height="auto" src="{0}"></video>'}
         return formats[type_].format(filename)