diff --git a/lib/salama-object-file.rb b/lib/salama-object-file.rb
index 1234380..6aa5005 100644
--- a/lib/salama-object-file.rb
+++ b/lib/salama-object-file.rb
@@ -9,8 +9,8 @@ require_relative "sof/object_node"
 require_relative "sof/members"
 require_relative "sof/volotile"
 require_relative "sof/writer"
-require_relative "sof/array"
-require_relative "sof/hash"
+require_relative "sof/array_node"
+require_relative "sof/hash_node"
 require_relative "sof/occurence"
 
 Symbol.class_eval do
diff --git a/lib/sof/array.rb b/lib/sof/array_node.rb
similarity index 100%
rename from lib/sof/array.rb
rename to lib/sof/array_node.rb
diff --git a/lib/sof/hash.rb b/lib/sof/hash_node.rb
similarity index 100%
rename from lib/sof/hash.rb
rename to lib/sof/hash_node.rb