diff --git a/src/Shared/V2/DynamicPropertyBuilder.cs b/src/Shared/V2/DynamicPropertyBuilder.cs
index 543f3da..140280f 100644
--- a/src/Shared/V2/DynamicPropertyBuilder.cs
+++ b/src/Shared/V2/DynamicPropertyBuilder.cs
@@ -276,7 +276,7 @@ internal DynamicPropertyBuilder WithMaxLength(int? v)
 
         internal DynamicPropertyBuilder WithIndex(IndexInfo indexInfo)
         {
-            IndexInfo = IndexInfo;
+            IndexInfo = indexInfo;
             return this;
         }
         public EnumBuilder enumbuilder { get; private set; }