diff --git a/frontend/app/file-sharing/page.tsx b/frontend/app/file-sharing/page.tsx
index 6384c6f..11cbde7 100644
--- a/frontend/app/file-sharing/page.tsx
+++ b/frontend/app/file-sharing/page.tsx
@@ -43,7 +43,7 @@ export default function FileSharingPage() {
       const samba = await api.getSambaConfig().catch(() => ({ parameters: [] }))
 
       // Convert parameters array to key=value format
-      const sambaStr = samba.parameters
+      const sambaStr = (samba.parameters ?? [])
         .map((p: any) => `${p.key} = ${p.value}`)
         .join("\n")