diff --git a/aqt/profiles.py b/aqt/profiles.py
index 27009afe0..7301e1e4e 100644
--- a/aqt/profiles.py
+++ b/aqt/profiles.py
@@ -63,6 +63,7 @@ class ProfileManager(object):
 
     def __init__(self, base=None, profile=None):
         self.name = None
+        self.db = None
         # instantiate base folder
         if base:
             self.base = os.path.abspath(base)