diff --git a/src/storageclass.ts b/src/storageclass.ts
index 4a198cc..a900199 100644
--- a/src/storageclass.ts
+++ b/src/storageclass.ts
@@ -23,7 +23,7 @@ export class StorageBase {
         return this.val.get()
     }
 
-    getJson<T = JSONObject>(defaultValue?: T): T | {} {
+    getJson<T = JSONObject>(defaultValue?: T): T {
         try {
 
             let val = JSON.parse(this.val.get())
@@ -38,7 +38,7 @@ export class StorageBase {
                 return defaultValue
             }
 
-            return {}
+            return {} as T
 
         }
     }