diff --git a/src/calibre/gui2/update.py b/src/calibre/gui2/update.py
index 6b8f9aa7b7..f6bf18540f 100644
--- a/src/calibre/gui2/update.py
+++ b/src/calibre/gui2/update.py
@@ -101,6 +101,12 @@ class CheckForUpdates(Thread):
         self.shutdown_event.set()
 
 
+def version_key(calibre_version):
+    if calibre_version.count('.') > 1:
+        calibre_version = calibre_version.rpartition('.')[0]
+    return 'update to version %s' % calibre_version
+
+
 class UpdateNotification(QDialog):
 
     def __init__(self, calibre_version, plugin_updates, parent=None):
@@ -143,7 +149,7 @@ class UpdateNotification(QDialog):
         self.l.addWidget(self.bb, 2, 0, 1, -1)
         self.bb.accepted.connect(self.accept)
         self.bb.rejected.connect(self.reject)
-        dynamic.set('update to version %s'%calibre_version, False)
+        dynamic.set(version_key(calibre_version), False)
 
     def get_plugins(self):
         from calibre.gui2.dialogs.plugin_updater import (PluginUpdaterDialog,
@@ -208,8 +214,7 @@ class UpdateMixin(object):
         self.status_bar.update_label.setVisible(True)
 
         if has_calibre_update:
-            if (force or (config.get('new_version_notification') and dynamic.get(
-                'update to version %s'%calibre_version, True))):
+            if (force or (config.get('new_version_notification') and dynamic.get(version_key(calibre_version), True))):
                 if not no_show_popup:
                     self._update_notification__ = UpdateNotification(calibre_version,
                             number_of_plugin_updates, parent=self)