diff --git a/jsm/Tetrominoes.js b/jsm/Tetrominoes.js
index dc2d6af..9029500 100644
--- a/jsm/Tetrominoes.js
+++ b/jsm/Tetrominoes.js
@@ -73,7 +73,7 @@ const sideMaterial = new THREE.MeshStandardMaterial({
 export class InstancedMino extends THREE.InstancedMesh {
     constructor() {
         const roundedBoxGeometry = new RoundedBoxGeometry(1.03, 1.03, 1.03, 4, 0.15)
-        roundedBoxGeometry.translate(0.5, 0.5, 0)
+        roundedBoxGeometry.translate(0.5, 0.5, 0.5)
         super(roundedBoxGeometry, undefined, 2*ROWS*COLUMNS)
         this.offsets = new Uint8Array(2*this.count)
     }