--- a/core/Isolate.cpp
+++ b/core/Isolate.cpp
@@ -784,16 +784,17 @@ throw_terminated_error:
 					// In order to ensure that the lock is released even though the wait time
 					// has expired, a wait() for the minimum time must be done here. 
                     result = m_monitor.wait(0);
                 }
 				else
 				{
 					// continueWait can only be true iff a wait has occurred.
 					result = true;
+                    continueWait = false;
 				}
             }
 
             // the value of interrupt tells us if the isolate was terminated OR 
             // if a script timeout has fired; script timeouts only happen for the primordial isolate. 
 	        interrupted = isolate->isInterrupted() || isolate->getAvmCore()->interruptCheckReason(AvmCore::ScriptTimeout);
 
             // when signaled a thread will return to a blocked