1 files changed, 2 insertions, 2 deletions
diff --git a/lib/monitor.rb b/lib/monitor.rb
index 73741f8ddb..3ded0b3658 100644
--- a/lib/monitor.rb
+++ b/lib/monitor.rb
@@ -153,7 +153,7 @@ module MonitorMixin
 
     def initialize(monitor)
       @monitor = monitor
-      @cond = ::ConditionVariable.new
+      @cond = Thread::ConditionVariable.new
     end
   end
 
@@ -241,7 +241,7 @@ module MonitorMixin
   def mon_initialize
     @mon_owner = nil
     @mon_count = 0
-    @mon_mutex = Mutex.new
+    @mon_mutex = Thread::Mutex.new
   end
 
   def mon_check_owner