diff --git a/lib/src/model/model_element.dart b/lib/src/model/model_element.dart
index b17a4d1457..c895e45cfa 100644
--- a/lib/src/model/model_element.dart
+++ b/lib/src/model/model_element.dart
@@ -179,7 +179,7 @@ abstract class ModelElement extends Canonicalization
     if (e is FieldElement) {
       if (enclosingContainer == null) {
         if (e.isEnumConstant) {
-          var index = e.computeConstantValue().getField(e.name).toIntValue();
+          var index = e.computeConstantValue().getField('index').toIntValue();
           newModelElement =
               EnumField.forConstant(index, e, library, packageGraph, getter);
         } else if (e.enclosingElement is ExtensionElement) {