diff --git a/src/index.js b/src/index.js
index 35bc9fb..53560e2 100644
--- a/src/index.js
+++ b/src/index.js
@@ -226,6 +226,8 @@ exports.reload = tryWrap((id, options) => {
         record.Ctor.extendOptions = options
       }
       const newCtor = record.Ctor.super.extend(options)
+      // prevent record.options._Ctor from being overwritten accidentally
+      newCtor.options._Ctor = record.options._Ctor
       record.Ctor.options = newCtor.options
       record.Ctor.cid = newCtor.cid
       record.Ctor.prototype = newCtor.prototype