diff --git a/source/blender/editors/space_buttons/space_buttons.cc b/source/blender/editors/space_buttons/space_buttons.cc
index 2f2f4109414..5588c507bc4 100644
--- a/source/blender/editors/space_buttons/space_buttons.cc
+++ b/source/blender/editors/space_buttons/space_buttons.cc
@@ -1031,6 +1031,7 @@ void ED_spacetype_buttons()
   art->draw = ED_region_panels_draw;
   art->listener = buttons_main_region_listener;
   art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
+  art->lock = true;
   buttons_context_register(art);
   BLI_addhead(&st->regiontypes, art);