5 files changed, 5 insertions, 5 deletions
diff --git a/test/drb/ut_drb.rb b/test/drb/ut_drb.rb
index 2525aa681a..e7eedf8864 100644
--- a/test/drb/ut_drb.rb
+++ b/test/drb/ut_drb.rb
@@ -137,7 +137,7 @@ if __FILE__ == $0
 
   DRb::DRbServer.default_argc_limit(8)
   DRb::DRbServer.default_load_limit(4096)
-  DRb.start_service(nil, DRbEx.new)
+  DRb.start_service('druby://localhost:0', DRbEx.new)
   es = DRb::ExtServ.new(ARGV.shift, ARGV.shift)
   DRb.thread.join
 end
diff --git a/test/drb/ut_drb_drbssl.rb b/test/drb/ut_drb_drbssl.rb
index cd9adf9716..0a2191e71a 100644
--- a/test/drb/ut_drb_drbssl.rb
+++ b/test/drb/ut_drb_drbssl.rb
@@ -18,7 +18,7 @@ if __FILE__ == $0
 
   DRb::DRbServer.default_argc_limit(8)
   DRb::DRbServer.default_load_limit(4096)
-  DRb.start_service('drbssl://:0', DRbEx.new, config)
+  DRb.start_service('drbssl://localhost:0', DRbEx.new, config)
   es = DRb::ExtServ.new(ARGV.shift, ARGV.shift)
   DRb.thread.join
 end
diff --git a/test/drb/ut_eval.rb b/test/drb/ut_eval.rb
index 35c90490d3..6a81e17d05 100644
--- a/test/drb/ut_eval.rb
+++ b/test/drb/ut_eval.rb
@@ -17,7 +17,7 @@ if __FILE__ == $0
 
   $SAFE = 1
 
-  DRb.start_service(nil, EvalAttack.new)
+  DRb.start_service('druby://localhost:0', EvalAttack.new)
   es = DRb::ExtServ.new(ARGV.shift, ARGV.shift)
   DRb.thread.join
 end
diff --git a/test/drb/ut_large.rb b/test/drb/ut_large.rb
index 0f7cbd93aa..d6717c5589 100644
--- a/test/drb/ut_large.rb
+++ b/test/drb/ut_large.rb
@@ -31,7 +31,7 @@ if __FILE__ == $0
 
   DRb::DRbServer.default_argc_limit(3)
   DRb::DRbServer.default_load_limit(100000)
-  DRb.start_service(nil, DRbLarge.new)
+  DRb.start_service('druby://localhost:0', DRbLarge.new)
   es = DRb::ExtServ.new(ARGV.shift, ARGV.shift)
   DRb.thread.join
 end
diff --git a/test/drb/ut_safe1.rb b/test/drb/ut_safe1.rb
index 4eb3192e98..761bdff4b1 100644
--- a/test/drb/ut_safe1.rb
+++ b/test/drb/ut_safe1.rb
@@ -10,7 +10,7 @@ if __FILE__ == $0
 
   $SAFE = 1
 
-  DRb.start_service(nil, [1, 2, 'III', 4, "five", 6])
+  DRb.start_service('druby://localhost:0', [1, 2, 'III', 4, "five", 6])
   es = DRb::ExtServ.new(ARGV.shift, ARGV.shift)
   DRb.thread.join
 end