diff --git a/python/idsse_common/idsse/common/publish_confirm.py b/python/idsse_common/idsse/common/publish_confirm.py
index 801a647b..66074b66 100644
--- a/python/idsse_common/idsse/common/publish_confirm.py
+++ b/python/idsse_common/idsse/common/publish_confirm.py
@@ -142,7 +142,7 @@ def start(self):
         logger.debug('Starting thread')
 
         # not possible to start Thread when it's already running
-        if self._thread.is_alive() or self._connection is not None:
+        if self._thread.is_alive() or (self._connection is not None and self._connection.is_open):
             raise RuntimeError('PublishConfirm thread already running, cannot be started')
         self._start()
 
@@ -166,7 +166,7 @@ def _run(self):
         time.sleep(0.2)
 
         while not self._stopping:
-            time.sleep(0.1)
+            time.sleep(.1)
 
         if self._connection is not None and not self._connection.is_closed:
             # Finish closing
diff --git a/python/idsse_common/test/test_publish_confirm.py b/python/idsse_common/test/test_publish_confirm.py
index f3d2d09b..7dbc9ea6 100644
--- a/python/idsse_common/test/test_publish_confirm.py
+++ b/python/idsse_common/test/test_publish_confirm.py
@@ -265,4 +265,4 @@ def test_calling_start_twice_raises_error(monkeypatch: MonkeyPatch, context: Moc
     pub_conf.start()
     with raises(RuntimeError) as exc:
         pub_conf.start()
-    assert exc is not None and exc.value.args[0]
+    assert exc is not None