1 files changed, 3 insertions, 1 deletions
diff --git a/spec/ruby/core/tracepoint/binding_spec.rb b/spec/ruby/core/tracepoint/binding_spec.rb
index f37753602e..6de6e47d7d 100644
--- a/spec/ruby/core/tracepoint/binding_spec.rb
+++ b/spec/ruby/core/tracepoint/binding_spec.rb
@@ -1,4 +1,5 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#binding' do
   def test
@@ -8,12 +9,13 @@ describe 'TracePoint#binding' do
   it 'return the generated binding object from event' do
     bindings = []
     TracePoint.new(:return) { |tp|
+      next unless TracePointSpec.target_thread?
       bindings << tp.binding
     }.enable {
       test
     }
     bindings.size.should == 1
-    bindings[0].should be_kind_of(Binding)
+    bindings[0].should.is_a?(Binding)
     bindings[0].local_variables.should == [:secret]
   end
 end