diff --git a/test/rdoc/test_rdoc_task.rb b/test/rdoc/test_rdoc_task.rb
index 383c8f7321..d9fc6664fd 100644
--- a/test/rdoc/test_rdoc_task.rb
+++ b/test/rdoc/test_rdoc_task.rb
@@ -131,7 +131,7 @@ class TestRDocTask < RDoc::TestCase
     assert Rake::Task[:"rdoc"]
     assert Rake::Task[:"rdoc:clean"]
     assert Rake::Task[:"rdoc:force"]
-    assert_raises(RuntimeError) { Rake::Task[:clobber_rdoc] }
+    assert_raise(RuntimeError) { Rake::Task[:clobber_rdoc] }
     assert_equal options, rd.name
   end
 
@@ -143,7 +143,7 @@ class TestRDocTask < RDoc::TestCase
   end
 
   def test_tasks_creation_with_custom_name_hash_raises_exception_if_invalid_option_given
-    assert_raises(ArgumentError) do
+    assert_raise(ArgumentError) do
       RDoc::Task.new(:foo => "bar")
     end