Index: db/backends/mysql/creation.py
===================================================================
--- db/backends/mysql/creation.py	(revision 13307)
+++ db/backends/mysql/creation.py	(working copy)
@@ -6,7 +6,7 @@
     # be interpolated against the values of Field.__dict__ before being output.
     # If a column type is set to None, it won't be included in the output.
     data_types = {
-        'AutoField':         'integer AUTO_INCREMENT',
+        'AutoField':         'integer UNSIGNED AUTO_INCREMENT',
         'BooleanField':      'bool',
         'CharField':         'varchar(%(max_length)s)',
         'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',