diff -up ./gtweak/tweaks/tweak_group_shell_extensions.py.orig ./gtweak/tweaks/tweak_group_shell_extensions.py
--- ./gtweak/tweaks/tweak_group_shell_extensions.py.orig	2019-09-27 13:15:56.000000000 +0200
+++ ./gtweak/tweaks/tweak_group_shell_extensions.py	2020-04-04 12:47:37.398869243 +0200
@@ -159,7 +159,7 @@ class _ShellExtensionTweak(Gtk.ListBoxRo
         sw.set_active(False)
 
     def _on_configure_clicked(self, btn, uuid):
-        execute_subprocess(['gnome-shell-extension-prefs', uuid], block=False)
+        execute_subprocess(['gnome-extensions', 'prefs', uuid], block=False)
 
     def _on_extension_toggled(self, sw, active, uuid):
         if not sw.get_active():