diff --git a/src/asquare.py b/src/asquare.py
index 08d337c..c16ceef 100644
--- a/src/asquare.py
+++ b/src/asquare.py
@@ -301,6 +301,7 @@ async def update_itm(item_id: str, lego_set: dict, item_data: dict = None):
                     "type": "ITEM",
                     "id": item_id,
                     "version": current_version,  # Include version for conflict prevention
+                    "present_at_all_locations": False,  # Required when using category_id
                     "item_data": {
                         "name": pw_name,
                         "description": f"{set_name} - {set_theme}",