diff --git a/src/lib/tools/deepAssign.ts b/src/lib/tools/deepAssign.ts
index 4ac8065d..a7495266 100644
--- a/src/lib/tools/deepAssign.ts
+++ b/src/lib/tools/deepAssign.ts
@@ -25,6 +25,8 @@ export function deepAssign(
 				key,
 				{
 					"enumerable": true,
+					"writable": true,
+					"configurable": true,
 					"value": dereferencedSource
 				}
 			);