3 files changed, 3 insertions, 3 deletions
diff --git a/test/drb/test_drb.rb b/test/drb/test_drb.rb
index 0548dc7aa0..293102333f 100644
--- a/test/drb/test_drb.rb
+++ b/test/drb/test_drb.rb
@@ -1,4 +1,4 @@
-require 'drbtest'
+require_relative 'drbtest'
 
 class TestDRbCore < Test::Unit::TestCase
   include DRbCore
diff --git a/test/drb/test_drbssl.rb b/test/drb/test_drbssl.rb
index cfb3bc36a4..8f6c4f2341 100644
--- a/test/drb/test_drbssl.rb
+++ b/test/drb/test_drbssl.rb
@@ -1,4 +1,4 @@
-require 'drbtest'
+require_relative 'drbtest'
 
 begin
   require 'drb/ssl'
diff --git a/test/drb/test_drbunix.rb b/test/drb/test_drbunix.rb
index e1a17edd3d..5b93f52d2c 100644
--- a/test/drb/test_drbunix.rb
+++ b/test/drb/test_drbunix.rb
@@ -1,4 +1,4 @@
-require 'drbtest'
+require_relative 'drbtest'
 
 begin
   require 'drb/unix'