diff --git a/npm/ng-packs/packages/core/src/lib/core.module.ts b/npm/ng-packs/packages/core/src/lib/core.module.ts
index 9daa34901b..c74591d204 100644
--- a/npm/ng-packs/packages/core/src/lib/core.module.ts
+++ b/npm/ng-packs/packages/core/src/lib/core.module.ts
@@ -226,8 +226,8 @@ export class CoreModule {
             storage: StorageOption.LocalStorage,
             serialize: JSON.stringify,
             deserialize: JSON.parse,
-            beforeSerialize: obj => obj,
-            afterDeserialize: obj => obj,
+            beforeSerialize: ngxsStoragePluginSerialize,
+            afterDeserialize: ngxsStoragePluginSerialize,
             ...options.ngxsStoragePluginOptions,
             key: [...(options.ngxsStoragePluginOptions?.key || []), 'SessionState'],
           },
@@ -236,3 +236,7 @@ export class CoreModule {
     };
   }
 }
+
+export function ngxsStoragePluginSerialize(data) {
+  return data;
+}