diff --git a/src/conf.py b/src/conf.py
index c87a6682d..fdd9800a3 100644
--- a/src/conf.py
+++ b/src/conf.py
@@ -1021,10 +1021,10 @@ class Databases(registry.SpaceSeparatedListOfStrings):
         v = super(Databases, self).__call__()
         if not v:
             v = ['anydbm', 'dbm', 'cdb', 'flat', 'pickle']
-            if 'sqlite3' in sys.modules:
-                v.insert(0, 'sqlite3')
             if 'sqlalchemy' in sys.modules:
                 v.insert(0, 'sqlalchemy')
+            if 'sqlite3' in sys.modules:
+                v.insert(0, 'sqlite3')
         return v
 
     def serialize(self):