diff --git a/src/store/storageHelper.ts b/src/store/storageHelper.ts
index 767cf3c..357815e 100644
--- a/src/store/storageHelper.ts
+++ b/src/store/storageHelper.ts
@@ -38,6 +38,6 @@ function serialize(data: object): string {
   return btoa(encodeURIComponent(JSON.stringify(data)))
 }
 
-function deserialize(b64: string): string  {
+function deserialize(b64: string): object  {
   return JSON.parse(decodeURIComponent(atob(b64)))
 }