diff --git a/tests/parallel/tdeepcopy2.nim b/tests/parallel/tdeepcopy2.nim
index 8ffdcc5f2b..2ad623ed16 100644
--- a/tests/parallel/tdeepcopy2.nim
+++ b/tests/parallel/tdeepcopy2.nim
@@ -11,7 +11,7 @@ type
   Bar[T] = object
     x: T
 
-proc deepCopy[T](b: ref Bar[T]): ref Bar[T] {.override.} =
+proc `=deepCopy`[T](b: ref Bar[T]): ref Bar[T] =
   result.new
   result.x = b.x
   when T is int: