diff --git a/system.json b/system.json
index 7da20fd..f50d1f6 100644
--- a/system.json
+++ b/system.json
@@ -2,8 +2,8 @@
   "name": "worldbuilding",
   "title": "Simple World-Building",
   "description": "A minimalist game system with very simple Actor and Item models to support free-form system agnostic gameplay.",
-  "version": 0.3,
-  "minimumCoreVersion": "0.4.0",
+  "version": 0.31,
+  "minimumCoreVersion": "0.4.4",
   "templateVersion": 2,
   "author": "Atropos",
   "esmodules": ["module/simple.js"],
diff --git a/templates/actor-sheet.html b/templates/actor-sheet.html
index c98b817..0d8d659 100644
--- a/templates/actor-sheet.html
+++ b/templates/actor-sheet.html
@@ -37,7 +37,7 @@
         <div class="tab items" data-group="primary" data-tab="items">
             <ol class="items-list">
             {{#each actor.items as |item id|}}
-                <li class="item flexrow" data-item-id="{{item.id}}">
+                <li class="item flexrow" data-item-id="{{item._id}}">
                     <img src="{{item.img}}" title="{{item.name}}" width="24" height="24"/>
                     <h4 class="item-name">{{item.name}}</h4>
                     <div class="item-controls">