diff --git a/plugins/dbms/mysql/takeover.py b/plugins/dbms/mysql/takeover.py
index 4457c9493..ec018ee82 100644
--- a/plugins/dbms/mysql/takeover.py
+++ b/plugins/dbms/mysql/takeover.py
@@ -5,6 +5,7 @@ Copyright (c) 2006-2014 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
+import os
 import re
 
 from lib.core.agent import agent
diff --git a/plugins/dbms/postgresql/takeover.py b/plugins/dbms/postgresql/takeover.py
index 0c3a41584..6d29b6cb5 100644
--- a/plugins/dbms/postgresql/takeover.py
+++ b/plugins/dbms/postgresql/takeover.py
@@ -5,6 +5,8 @@ Copyright (c) 2006-2014 sqlmap developers (http://sqlmap.org/)
 See the file 'doc/COPYING' for copying permission
 """
 
+import os
+
 from lib.core.common import Backend
 from lib.core.common import randomStr
 from lib.core.data import kb