diff --git a/document_sftp/document_sftp_handle.py b/document_sftp/document_sftp_handle.py
index a5e0b53c..78568716 100644
--- a/document_sftp/document_sftp_handle.py
+++ b/document_sftp/document_sftp_handle.py
@@ -1,7 +1,10 @@
 # -*- coding: utf-8 -*-
 # © 2016 Therp BV <http://therp.nl>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from paramiko import SFTP_EOF, SFTPHandle
+try:
+    from paramiko import SFTP_EOF, SFTPHandle
+except ImportError:
+    pass
 from base64 import b64decode
 
 
diff --git a/document_sftp/document_sftp_server.py b/document_sftp/document_sftp_server.py
index 383ac6e8..588d54f0 100644
--- a/document_sftp/document_sftp_server.py
+++ b/document_sftp/document_sftp_server.py
@@ -1,10 +1,13 @@
 # -*- coding: utf-8 -*-
 # © 2016 Therp BV <http://therp.nl>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from paramiko import AUTH_SUCCESSFUL, AUTH_FAILED,\
-    OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED, OPEN_SUCCEEDED,\
-    RSAKey, ServerInterface
-from paramiko.py3compat import decodebytes
+try:
+    from paramiko import AUTH_SUCCESSFUL, AUTH_FAILED,\
+        OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED, OPEN_SUCCEEDED,\
+        RSAKey, ServerInterface
+    from paramiko.py3compat import decodebytes
+except ImportError:
+    pass
 from openerp.exceptions import AccessDenied
 
 
diff --git a/document_sftp/document_sftp_transport.py b/document_sftp/document_sftp_transport.py
index 8e5f0b8f..898b3c03 100644
--- a/document_sftp/document_sftp_transport.py
+++ b/document_sftp/document_sftp_transport.py
@@ -1,8 +1,11 @@
 # -*- coding: utf-8 -*-
 # © 2016 Therp BV <http://therp.nl>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from paramiko import Transport
-from paramiko.transport import DEFAULT_WINDOW_SIZE, DEFAULT_MAX_PACKET_SIZE
+try:
+    from paramiko import Transport
+    from paramiko.transport import DEFAULT_WINDOW_SIZE, DEFAULT_MAX_PACKET_SIZE
+except ImportError:
+    pass
 from openerp import api, SUPERUSER_ID
 from openerp.modules.registry import RegistryManager