diff --git a/src/calibre/gui2/actions/manage_categories.py b/src/calibre/gui2/actions/manage_categories.py
index a9e3e01268..22b6e219d9 100644
--- a/src/calibre/gui2/actions/manage_categories.py
+++ b/src/calibre/gui2/actions/manage_categories.py
@@ -1,10 +1,7 @@
 #!/usr/bin/env python
-
-
-__license__ = 'GPL v3'
-__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
-
-from qt.core import (QPoint)
+# License: GPLv3 Copyright: 2022, Charles Haley
+#
+from qt.core import QToolButton
 
 from calibre.gui2.actions import InterfaceAction
 
@@ -15,33 +12,14 @@ class ManageCategoriesAction(InterfaceAction):
     action_spec = (_('Manage categories'), 'tags.png',
                    _('Manage categories: authors, tags, series, etc.'), '')
     action_type = 'current'
+    popup_type = QToolButton.ToolButtonPopupMode.InstantPopup
     action_add_menu = True
     dont_add_to = frozenset(['context-menu-device', 'menubar-device'])
 
     def genesis(self):
         self.menu = m = self.qaction.menu()
-        self.qaction.triggered.connect(self.show_menu)
         m.aboutToShow.connect(self.about_to_show_menu)
 
-    # We want to show the menu when the toolbar button is clicked. Apparently
-    # the only way to do that is to scan the toolbar(s) for the action button
-    # then exec the associated menu. The search is done here to take adding and
-    # removing the action from toolbars into account.
-    def show_menu(self):
-        for x in self.gui.bars_manager.main_bars + self.gui.bars_manager.child_bars:
-            try:
-                w = x.widgetForAction(self.qaction)
-                # It seems that multiple copies of the action can exist, such as
-                # when the device-connected menu is changed while the device is
-                # connected. Use the one that has an actual position.
-                if w.pos().x() == 0:
-                    continue
-                # The w.height() assures that the menu opens below the button.
-                self.menu.exec(w.mapToGlobal(QPoint(0, w.height())))
-                break
-            except:
-                continue
-
     def about_to_show_menu(self):
         db = self.gui.current_db
         self.gui.populate_manage_categories_menu(db, self.menu)
@@ -50,4 +28,4 @@ class ManageCategoriesAction(InterfaceAction):
         enabled = loc == 'library'
         self.qaction.setEnabled(enabled)
         for action in self.menu.actions():
-            action.setEnabled(enabled)
\ No newline at end of file
+            action.setEnabled(enabled)