diff --git a/src/calibre/gui2/device.py b/src/calibre/gui2/device.py
index 07bfeccc4f..92b5932406 100644
--- a/src/calibre/gui2/device.py
+++ b/src/calibre/gui2/device.py
@@ -166,7 +166,9 @@ class DeviceManager(Thread): # {{{
                     report_progress=self.report_progress)
                 dev.open()
             except OpenFeedback, e:
-                self.open_feedback_msg(dev.get_gui_name(), e.feedback_msg)
+                if dev not in self.ejected_devices:
+                    self.open_feedback_msg(dev.get_gui_name(), e.feedback_msg)
+                    self.ejected_devices.add(dev)
                 continue
             except:
                 tb = traceback.format_exc()