diff --git a/spec/std/iterator_spec.cr b/spec/std/iterator_spec.cr
index e60b9e4f53e9..bd6afe6c14cd 100644
--- a/spec/std/iterator_spec.cr
+++ b/spec/std/iterator_spec.cr
@@ -1,4 +1,5 @@
 require "spec"
+require "spec/helpers/iterate"
 require "iterator"
 
 struct StructIter