diff --git a/kernel/common/loadedfeatures.rb b/kernel/common/loadedfeatures.rb
index 9f40862a2e..474df10fe3 100644
--- a/kernel/common/loadedfeatures.rb
+++ b/kernel/common/loadedfeatures.rb
@@ -50,5 +50,11 @@ def unshift(*values)
       identity_map
       self
     end
+
+    def replace(other)
+      super
+      identity_map
+      self
+    end
   end
 end