diff --git a/app/src/modules/simulation/human/instances/animator/materialAnimator.tsx b/app/src/modules/simulation/human/instances/animator/materialAnimator.tsx
index 178cc4e..0e5b8e3 100644
--- a/app/src/modules/simulation/human/instances/animator/materialAnimator.tsx
+++ b/app/src/modules/simulation/human/instances/animator/materialAnimator.tsx
@@ -53,7 +53,7 @@ const MaterialAnimator = ({ human }: { human: HumanStatus; }) => {
             {hasLoad && action && (action as HumanAction).actionType === 'worker' && human.currentMaterials.length > 0 && (human.currentPhase !== 'init-pickup' && human.currentPhase !== 'init-assembly' && human.currentPhase !== 'drop-pickup') && (
                 <MaterialModel
                     matRef={meshRef}
-                    materialId={human.currentMaterials[0].materialId || ''}
+                    materialId={`human-${human.currentMaterials[0].materialId}` || ''}
                     materialType={human.currentMaterials[0].materialType || 'Default material'}
                     visible={isAttached}
                 />