diff --git a/transfer_service/tape_client.py b/transfer_service/tape_client.py
index 6fedaa84b28bc1590a31c2384bd0d7785cc18925..9110abeef10726a58bdc7a3039e38a3ec83d79dc 100644
--- a/transfer_service/tape_client.py
+++ b/transfer_service/tape_client.py
@@ -47,7 +47,7 @@ class TapeClient(object):
             self.logger.exception("Unable to establish SSH connection with tape library frontend.")
             raise
         finally:
-            self.client.disconnect()
+            self.disconnect()
     
     def getPoolList(self):
         """Returns a list of 'TapePool' objects."""