diff --git a/app/ecs-components/inventory.js b/app/ecs-components/inventory.js
index 146b552..8273f68 100644
--- a/app/ecs-components/inventory.js
+++ b/app/ecs-components/inventory.js
@@ -170,10 +170,10 @@ export default class Inventory extends Component {
         ...original.cleared,
         ...update.cleared,
       },
-      swapped: {
+      swapped: [
         ...(original.swapped || []),
         ...(update.swapped || []),
-      },
+      ],
     };
     return merged;
   }