diff --git a/src/osmo_gsm_tester/osmo_ctrl.py b/src/osmo_gsm_tester/osmo_ctrl.py
index c3a09db..736c943 100644
--- a/src/osmo_gsm_tester/osmo_ctrl.py
+++ b/src/osmo_gsm_tester/osmo_ctrl.py
@@ -79,10 +79,12 @@
         self._send(getmsg)
 
     def __enter__(self):
+        super().__enter__()
         self.connect()
         return self
 
     def __exit__(self, *exc_info):
         self.disconnect()
+        super().__exit__(*exc_info)
 
 # vim: expandtab tabstop=4 shiftwidth=4