diff --git a/tes/sshwrapper/__init__.py b/tes/sshwrapper/__init__.py
index 31b49a29f3195d7d8cc515d2616e11a920b0594a..06acddb9bfd4e78a8d79cbe06ac802fceff33e6d 100644
--- a/tes/sshwrapper/__init__.py
+++ b/tes/sshwrapper/__init__.py
@@ -499,6 +499,7 @@ class Ssh:
                 ssock.close()
             except socket.error:
                 logger.debug('port is not open yet')
+                time.sleep(0.1)
                 ssock.close()
         return True