diff --git a/Gemfile.lock b/Gemfile.lock
index 4275f1a..95fb442 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    ruby_ast_gen (0.15.0)
+    ruby_ast_gen (0.16.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/ruby_ast_gen/node_handling.rb b/lib/ruby_ast_gen/node_handling.rb
index 5d1dd5f..d9222bb 100644
--- a/lib/ruby_ast_gen/node_handling.rb
+++ b/lib/ruby_ast_gen/node_handling.rb
@@ -91,6 +91,7 @@ def self.add_node_properties(node_type, base_map, file_path)
       base_map[:body] = children[2]
     when :sclass
       base_map[:name] = children[0]
+      base_map[:def] = children[1]
       base_map[:body] = children[2]
     when :module
       base_map[:name] = children[0]
diff --git a/spec/ruby_ast_gen_spec.rb b/spec/ruby_ast_gen_spec.rb
index 090b719..b152831 100644
--- a/spec/ruby_ast_gen_spec.rb
+++ b/spec/ruby_ast_gen_spec.rb
@@ -56,4 +56,28 @@ class Foo
     ast = RubyAstGen::parse_file(temp_file.path, temp_name)
     expect(ast).not_to be_nil
   end
+
+  it "should create a singleton object body successfully" do
+    code(<<-CODE)
+class C
+ class << self
+  def f(x)
+   x + 1
+  end
+ end
+end
+    CODE
+    ast = RubyAstGen::parse_file(temp_file.path, temp_name)
+    expect(ast).not_to be_nil
+  end
+
+  it "should create an operator assignment successfully" do
+    code(<<-CODE)
+def foo(x)
+  x += 1
+end
+    CODE
+    ast = RubyAstGen::parse_file(temp_file.path, temp_name)
+    expect(ast).not_to be_nil
+  end
 end