diff --git a/src/Umbraco.Web/umbraco.presentation/umbraco/Trees/XmlTree.cs b/src/Umbraco.Web/umbraco.presentation/umbraco/Trees/XmlTree.cs
index 38eaca32c0..5d71a2f606 100644
--- a/src/Umbraco.Web/umbraco.presentation/umbraco/Trees/XmlTree.cs
+++ b/src/Umbraco.Web/umbraco.presentation/umbraco/Trees/XmlTree.cs
@@ -50,7 +50,7 @@ namespace umbraco.cms.presentation.Trees
 
 		private void Init()
 		{
-			m_JSSerializer = new JSONSerializer();
+            m_JSSerializer = new JSONSerializer { MaxJsonLength = int.MaxValue };
 
 			switch (m_TreeType)
 			{