diff --git a/scripts/startup/bl_operators/wm.py b/scripts/startup/bl_operators/wm.py
index 378c099d64b..af6b08aa5ab 100644
--- a/scripts/startup/bl_operators/wm.py
+++ b/scripts/startup/bl_operators/wm.py
@@ -3540,6 +3540,7 @@ class WM_MT_region_toggle_pie(Menu):
 
         for region in context.area.regions:
             region_type = region.type
+            # If the attribute doesn't exist, the RNA definition is outdated and needs to be see: #134339 and it fix.
             attr = cls._region_info.get(region_type, None)
             if attr is None:
                 continue
diff --git a/source/blender/makesrna/intern/rna_space.cc b/source/blender/makesrna/intern/rna_space.cc
index 43da7c9f5b4..42d0dbfc523 100644
--- a/source/blender/makesrna/intern/rna_space.cc
+++ b/source/blender/makesrna/intern/rna_space.cc
@@ -8117,8 +8117,9 @@ static void rna_def_space_clip(BlenderRNA *brna)
   RNA_def_struct_sdna(srna, "SpaceClip");
   RNA_def_struct_ui_text(srna, "Space Clip Editor", "Clip editor space data");
 
-  rna_def_space_generic_show_region_toggles(
-      srna, (1 << RGN_TYPE_TOOLS) | (1 << RGN_TYPE_UI) | (1 << RGN_TYPE_HUD));
+  rna_def_space_generic_show_region_toggles(srna,
+                                            (1 << RGN_TYPE_TOOLS) | (1 << RGN_TYPE_UI) |
+                                                (1 << RGN_TYPE_HUD) | (1 << RGN_TYPE_CHANNELS));
 
   /* movieclip */
   prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);