diff --git a/lib/katakata_irb/type_simulator.rb b/lib/katakata_irb/type_simulator.rb
index aadaa9e..3e1db6b 100644
--- a/lib/katakata_irb/type_simulator.rb
+++ b/lib/katakata_irb/type_simulator.rb
@@ -454,6 +454,7 @@ def evaluate_multi_write_node(node, scope)
       end
     )
     evaluate_multi_write node, value, scope, evaluated_receivers
+    value
   end
 
   def evaluate_if_node(node, scope) = evaluate_if_unless(node, scope)
diff --git a/test/test_type_analyze.rb b/test/test_type_analyze.rb
index a7341db..241e06a 100644
--- a/test/test_type_analyze.rb
+++ b/test/test_type_analyze.rb
@@ -137,6 +137,7 @@ def test_lvar_singleton_method
   end
 
   def test_local_variable_assign
+    assert_call('(a = 1).', include: Integer)
     assert_call('a = 1; a = ""; a.', include: String, exclude: Integer)
     assert_call('1 => a; a.', include: Integer)
   end
@@ -293,6 +294,7 @@ def test_ivar_no_scope
   end
 
   def test_massign
+    assert_call('(a,b,c=1).', include: Integer)
     assert_call('a,=[1,2]; a.', include: Integer, exclude: Array)
     assert_call('a,b=[1,2]; a.', include: Integer, exclude: Array)
     assert_call('a,b=[1,2]; b.', include: Integer, exclude: Array)