diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb
index 79f7965623..3ddfcd9c4f 100644
--- a/test/ruby/test_module.rb
+++ b/test/ruby/test_module.rb
@@ -2372,7 +2372,7 @@ class TestModule < Test::Unit::TestCase
 
       A.prepend InspectIsShallow
 
-      expect = "#<Method: A(ShallowInspect)#inspect(shallow_inspect) -:7>"
+      expect = "#<Method: A(ShallowInspect)#inspect(shallow_inspect)() -:7>"
       assert_equal expect, A.new.method(:inspect).inspect, "#{bug_10282}"
     RUBY
   end