diff --git a/core/enumerable/fixtures/classes.rb b/core/enumerable/fixtures/classes.rb
index e30b57d294..b5feafcfb7 100644
--- a/core/enumerable/fixtures/classes.rb
+++ b/core/enumerable/fixtures/classes.rb
@@ -38,12 +38,14 @@ def each(*arg)
   class Empty
     include Enumerable
     def each
+      self
     end
   end
 
   class EmptyWithSize
     include Enumerable
     def each
+      self
     end
     def size
       0