diff --git a/html/app.js b/html/app.js
index 1b885987..ae83097e 100644
--- a/html/app.js
+++ b/html/app.js
@@ -240,6 +240,8 @@ const InventoryContainer = Vue.createApp({
         moveItemBetweenInventories(item, sourceInventoryType) {
             const sourceInventory = sourceInventoryType === "player" ? this.playerInventory : this.otherInventory;
             const targetInventory = sourceInventoryType === "player" ? this.otherInventory : this.playerInventory;
+            const targetWeight  = sourceInventoryType === "player" ? this.otherInventoryWeight : this.playerWeight ; 
+            const maxTargetWeight  = sourceInventoryType === "player" ? this.otherInventoryMaxWeight : this.maxWeight ;     
             const amountToTransfer = this.transferAmount !== null ? this.transferAmount : 1;
             let targetSlot = null;
 
@@ -248,9 +250,10 @@ const InventoryContainer = Vue.createApp({
                 this.inventoryError(item.slot);
                 return;
             }
+            
+            const totalWeightAfterTransfer = targetWeight + sourceItem.weight * amountToTransfer;
 
-            const totalWeightAfterTransfer = this.otherInventoryWeight + sourceItem.weight * amountToTransfer;
-            if (totalWeightAfterTransfer > this.otherInventoryMaxWeight) {
+            if (totalWeightAfterTransfer > maxTargetWeight) {
                 this.inventoryError(item.slot);
                 return;
             }