diff --git a/src/components/project/virtual-sample/VirtualSample.vue b/src/components/project/virtual-sample/VirtualSample.vue
index 9dc0d45..34e6d03 100644
--- a/src/components/project/virtual-sample/VirtualSample.vue
+++ b/src/components/project/virtual-sample/VirtualSample.vue
@@ -130,7 +130,7 @@ const isOpen = ref(true);
 watch(isOpen, (newValue) => {
   router.push({ name: route.name });
   openedFile.value = null;
-  activeTracks.value = null;
+  activeTracks.value = [];
 });
 
 const downloadText = computed(() => {