diff --git a/renderer/viewer/three/holdingBlock.ts b/renderer/viewer/three/holdingBlock.ts
index 43427e69..422076f0 100644
--- a/renderer/viewer/three/holdingBlock.ts
+++ b/renderer/viewer/three/holdingBlock.ts
@@ -153,6 +153,8 @@ export default class HoldingBlock {
           (newHand) => {
             if (newHand) {
               this.playerHand = newHand
+              // trigger update
+              this.updateItem()
             }
           },
           (oldHand) => {