diff --git a/plugins/Marketplace/Marketplace.py b/plugins/Marketplace/Marketplace.py
index 171e3f915b..e856245c3d 100644
--- a/plugins/Marketplace/Marketplace.py
+++ b/plugins/Marketplace/Marketplace.py
@@ -103,6 +103,9 @@ class Marketplace(Extension, QObject):
         self.setTabShown(1)
 
     def checkIfRestartNeeded(self) -> None:
+        if self._window is None:
+            return
+
         if self._package_manager.hasPackagesToRemoveOrInstall or \
                 cast(PluginRegistry, self._plugin_registry).getCurrentSessionActivationChangedPlugins():
             self._restart_needed = True