diff --git a/.travis.yml b/.travis.yml
index fdf0384..6c3f80f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,10 @@
 language: ruby
 rvm:
-  - 1.9.2
-  - 1.9.3
-  - 2.0
-  - 2.1
-  - 2.2
-  - 2.3
-  - 2.4.1
-  - jruby-18mode
-  - jruby-19mode
+  - 2.4.10
+  - 2.5.8
+  - 2.6.6
+  - 2.7.1
+  - jruby-9.1.15.0
 
 before_install:
   - gem install bundler
diff --git a/lib/ast/node.rb b/lib/ast/node.rb
index 51a8194..30502e8 100644
--- a/lib/ast/node.rb
+++ b/lib/ast/node.rb
@@ -140,7 +140,9 @@ def updated(type=nil, children=nil, properties=nil)
           properties.nil?
         self
       else
-        original_dup.send :initialize, new_type, new_children, new_properties
+        copy = original_dup
+        copy.send :initialize, new_type, new_children, new_properties
+        copy
       end
     end
 
diff --git a/test/test_ast.rb b/test/test_ast.rb
index 581e29f..06e02ee 100644
--- a/test/test_ast.rb
+++ b/test/test_ast.rb
@@ -7,9 +7,17 @@ class MetaNode < AST::Node
     attr_reader :meta
   end
 
+  class SubclassNode < AST::Node
+    def initialize(*)
+      super
+      nil
+    end
+  end
+
   before do
     @node = AST::Node.new(:node, [ 0, 1 ])
     @metanode = MetaNode.new(:node, [ 0, 1 ], :meta => 'value')
+    @subclass_node = SubclassNode.new(:node, [ 0, 1 ])
   end
 
   it 'should have accessors for type and children' do
@@ -55,6 +63,12 @@ class MetaNode < AST::Node
     updated.meta.should.equal 'other_value'
   end
 
+  it 'returns updated node for subclasses that override constructor' do
+    updated = @subclass_node.updated(nil, [2])
+    updated.type.should.equal :node
+    updated.children.should.equal [2]
+  end
+
   it 'should format to_sexp correctly' do
     AST::Node.new(:a, [ :sym, [ 1, 2 ] ]).to_sexp.should.equal '(a :sym [1, 2])'
     AST::Node.new(:a, [ :sym, @node ]).to_sexp.should.equal "(a :sym\n  (node 0 1))"