diff --git a/test/dtrace/test_function_entry.rb b/test/dtrace/test_function_entry.rb
index 0030560d54..8050f91402 100644
--- a/test/dtrace/test_function_entry.rb
+++ b/test/dtrace/test_function_entry.rb
@@ -77,7 +77,7 @@ ruby$target:::method-return
     private
     def ruby_program
       <<-eoruby
-      TracePoint.new{}.enable
+      TracePoint.new{}.__enable(nil, nil)
       class Foo
 	def foo; end
       end
diff --git a/test/dtrace/test_singleton_function.rb b/test/dtrace/test_singleton_function.rb
index ef1381a321..11fe80599d 100644
--- a/test/dtrace/test_singleton_function.rb
+++ b/test/dtrace/test_singleton_function.rb
@@ -46,7 +46,7 @@ ruby$target:::method-return
 
     def ruby_program
       <<-eoruby
-      TracePoint.new{}.enable
+      TracePoint.new{}.__enable(nil, nil)
       class Foo
 	def self.foo; end
       end