diff --git a/recommonmark/transform.py b/recommonmark/transform.py
index 6b3d0b4..0859e36 100644
--- a/recommonmark/transform.py
+++ b/recommonmark/transform.py
@@ -16,7 +16,7 @@ class AutoStructify(transforms.Transform):
     This class is designed to handle AST generated by CommonMarkParser.
     """
     # set to a high priority so it can be applied first for markdown docs
-    default_priority = 1000
+    default_priority = 1
     suffix_set = set(['md', 'rst'])
 
     default_config = {