diff --git a/src/models/Bin.ts b/src/models/Bin.ts
index 177997a..c66d8f9 100644
--- a/src/models/Bin.ts
+++ b/src/models/Bin.ts
@@ -96,7 +96,7 @@ export class Bin {
   }
 
   public empty(): boolean {
-    return this.settings.inventory?.empty || this.settings.inventory?.grainBushels === 0;
+    return this.settings.inventory?.empty || (this.settings.inventory !== undefined && this.settings.inventory !== null && this.settings.inventory.grainBushels < 5);
   }
 
   public objectType(): pond.ObjectType {