diff --git a/bootstraptest/test_autoload.rb b/bootstraptest/test_autoload.rb
index fe728e1e4c..b781fdb7e9 100644
--- a/bootstraptest/test_autoload.rb
+++ b/bootstraptest/test_autoload.rb
@@ -70,7 +70,7 @@ assert_finish 5, %q{
 assert_equal 'A::C', %q{
   open("zzz.rb", "w") {}
   class A
-    autoload :C, "zzz"
+    autoload :C, "./zzz"
     class C
     end
     C
diff --git a/bootstraptest/test_thread.rb b/bootstraptest/test_thread.rb
index 54544df45e..c82ad22ebe 100644
--- a/bootstraptest/test_thread.rb
+++ b/bootstraptest/test_thread.rb
@@ -228,7 +228,7 @@ assert_equal 'ok', %{
       end
     END
   end
-  require "zzz.rb"
+  require "./zzz.rb"
   $result
 }