diff --git a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala
index 5074e8a0e..832af13ad 100644
--- a/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala
+++ b/librarymanagement/src/main/scala/sbt/internal/librarymanagement/formats/UpdateOptionsFormat.scala
@@ -35,7 +35,7 @@ trait UpdateOptionsFormat { self: BasicJsonProtocol with ModuleIDFormats with Re
           xs._3,
           xs._4,
           xs._5,
-          ConvertResolver.defaultConvert,
+          PartialFunction.empty,
           xs._6
       )
     )