diff --git a/src/stores/virtualSample.js b/src/stores/virtualSample.js
index 8433aed..e47bcbc 100644
--- a/src/stores/virtualSample.js
+++ b/src/stores/virtualSample.js
@@ -21,7 +21,7 @@ export const useVirtualSampleStore = defineStore('virtual-sample', () => {
   );
 
   const allVariations = computed(() =>
-    Object.values(step.value.files?.dynamic).flat(1)
+    Object.values(step.value.files?.dynamic ?? {}).flat(1)
   );
 
   watch(activeTab, () => (currentFile.value = null));