diff --git a/server/src/voting.ts b/server/src/voting.ts
index 97dc9b8..dd91e3a 100644
--- a/server/src/voting.ts
+++ b/server/src/voting.ts
@@ -16,7 +16,7 @@ const STORAGE_KEY = 'voting';
  */
 export async function getUserVotes(login: string) {
     const data: VotingData = await storage.getData(STORAGE_KEY);
-    return data[login];
+    return data?.[login];
 }
 
 /**