diff --git a/test/dl/test_handle.rb b/test/dl/test_handle.rb
index dc75605a2a..34fb33dd17 100644
--- a/test/dl/test_handle.rb
+++ b/test/dl/test_handle.rb
@@ -159,11 +159,11 @@ module DL
         # interface, below, should be used, since getpid() is a function and not a
         # data object.)
         # --- FreeBSD 8.0 dlsym(3)
-        assert_in_out_err([], <<-INPUT, /\A#<DL::Handle:0x[0-9a-f]+>\z/) do
+        assert_in_out_err(['-W0'], <<-INPUT, /\A#<DL::Handle:0x[0-9a-f]+>\z/)
+          require 'dl'
           require 'objspace'
           print DL::Handle::NEXT.inspect
         INPUT
-        end
       end
     end unless /mswin|mingw/ =~ RUBY_PLATFORM