diff --git a/threads/synch-sem.cc b/threads/synch-sem.cc
index 8993b4b..5081576 100755
--- a/threads/synch-sem.cc
+++ b/threads/synch-sem.cc
@@ -153,7 +153,7 @@ bool Lock::isHeldByCurrentThread()
 Condition::Condition(char* debugName)
 {
 	name = debugName;
-	sem = new Semaphore("LockSemaphore", 1);
+	sem = new Semaphore("LockSemaphore", 0);
 	inte = new Semaphore("InterruptSemaphore", 1);
 	blockNum = 0;
 }