diff --git a/packages/ferry/lib/src/add_typename_typed_link.dart b/packages/ferry/lib/src/add_typename_typed_link.dart
index 73da21cd..5ec21ba6 100644
--- a/packages/ferry/lib/src/add_typename_typed_link.dart
+++ b/packages/ferry/lib/src/add_typename_typed_link.dart
@@ -22,7 +22,7 @@ class AddTypenameTypedLink extends TypedLink {
         (op) => Operation(
           document: transform(
             op.document,
-            [
+            const [
               AddTypenameVisitor(),
             ],
           ),