diff --git a/lib/parfait/dictionary.rb b/lib/parfait/dictionary.rb
index eb9d2419..b75278ca 100644
--- a/lib/parfait/dictionary.rb
+++ b/lib/parfait/dictionary.rb
@@ -6,6 +6,7 @@ module Parfait
     #
     # internally we store keys and values in lists, which means this does **not** scale well
     def initialize
+      super()
       @keys = List.new_object()
       @values = List.new_object()
     end
diff --git a/lib/parfait/frame.rb b/lib/parfait/frame.rb
index 2d360c0b..eac629d0 100644
--- a/lib/parfait/frame.rb
+++ b/lib/parfait/frame.rb
@@ -23,6 +23,7 @@
 module Parfait
   class Frame < Object
     def initialize locals , temps
+      super()
       @locals = locals
       @tmps = tmps
     end
diff --git a/lib/parfait/method.rb b/lib/parfait/method.rb
index 59baf728..5335eaba 100644
--- a/lib/parfait/method.rb
+++ b/lib/parfait/method.rb
@@ -20,6 +20,7 @@ module Parfait
   class Method < Object
 
     def initialize name , arg_names
+      super()
       @name = name
       @arg_names = arg_names
       @locals = []