diff --git a/plugins/UM3NetworkPrinting/src/Messages/RemovedPrintersMessage.py b/plugins/UM3NetworkPrinting/src/Messages/RemovedPrintersMessage.py
index c875eb183a..caed6ddf91 100644
--- a/plugins/UM3NetworkPrinting/src/Messages/RemovedPrintersMessage.py
+++ b/plugins/UM3NetworkPrinting/src/Messages/RemovedPrintersMessage.py
@@ -31,7 +31,7 @@ class RemovedPrintersMessage(Message):
         super().__init__(title=self.i18n_catalog.i18ncp("info:status",
                                                         "A cloud connection is not available for a printer",
                                                         "A cloud connection is not available for some printers",
-                                                        len(self.removed_devices)),
+                                                        len(self._removed_devices)),
                          message_type=Message.MessageType.WARNING,
                          text = message_text)