diff --git a/Contentstack.Core/Models/AssetLibrary.cs b/Contentstack.Core/Models/AssetLibrary.cs
index c4cac1c..739299c 100644
--- a/Contentstack.Core/Models/AssetLibrary.cs
+++ b/Contentstack.Core/Models/AssetLibrary.cs
@@ -17,7 +17,7 @@ public class AssetLibrary
         #region Internal Variables
         private Dictionary<string, object> _ObjectAttributes = new Dictionary<string, object>();
         private Dictionary<string, object> _Headers = new Dictionary<string, object>();
-        private Dictionary<string, object> _StackHeaders = new Dictionary<strinSortWithKeyAndOrderByg, object>();
+        private Dictionary<string, object> _StackHeaders = new Dictionary<string, object>();
         private Dictionary<string, object> UrlQueries = new Dictionary<string, object>();
 
         private string _Url