diff -Naurp openchange-openchange-2.3-VULCAN-org/python/openchange/mailbox.py openchange-openchange-2.3-VULCAN/python/openchange/mailbox.py
--- openchange-openchange-2.3-VULCAN-org/python/openchange/mailbox.py	2015-05-16 10:22:04.000000000 -0500
+++ openchange-openchange-2.3-VULCAN/python/openchange/mailbox.py	2015-07-17 18:48:13.929579900 -0500
@@ -498,7 +498,7 @@ class OpenChangeDBWithMysqlBackend(Mysql
     def change_number(self):
         if self._change_number is None:
             cur = self._execute("SELECT change_number FROM servers WHERE id = %s",
-                                self.server_id)
+                                (self.server_id,))
             data = cur.fetchone()
             if data:
                 self._change_number = data[0]
diff -Naurp openchange-openchange-2.3-VULCAN-org/python/openchange/migration/__init__.py openchange-openchange-2.3-VULCAN/python/openchange/migration/__init__.py
--- openchange-openchange-2.3-VULCAN-org/python/openchange/migration/__init__.py	2015-05-16 10:22:04.000000000 -0500
+++ openchange-openchange-2.3-VULCAN/python/openchange/migration/__init__.py	2015-07-17 18:49:02.877532654 -0500
@@ -65,7 +65,7 @@ class MigrationManager(object):
         """Create the table_name table if not exists
         """
         cur = self.db.cursor()
-        cur.execute("""SHOW TABLES LIKE %s""", self.table_name)
+        cur.execute("""SHOW TABLES LIKE %s""", (self.table_name,))
         row = cur.fetchone()
         if row is None or row[0] is None:
             cur.execute("""CREATE TABLE IF NOT EXISTS `{0}` (
@@ -87,7 +87,7 @@ class MigrationManager(object):
         if self._version[app] is None:
             cur = self.db.cursor()
             cur.execute('SELECT MAX(version) FROM {0} WHERE app = %s'.format(self.table_name),
-                        app)
+                        (app,))
             row = cur.fetchone()
             if row and row[0]:
                 self._version[app] = int(row[0])