diff --git a/ChangeLog b/ChangeLog
index f258c430d..cd6c92b2a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-04-11 01:12-EDT Gregory John Casamento <greg_casamento@yahoo.com>
+
+	* Source/NSLock.m: Move the warning to a debug log.
+
 2009-04-10  Richard Frith-Macdonald <rfm@gnu.org>
 
 	* Source/GSPrivate.h:
diff --git a/Source/NSLock.m b/Source/NSLock.m
index 29d6838c1..8de3968de 100644
--- a/Source/NSLock.m
+++ b/Source/NSLock.m
@@ -449,7 +449,7 @@ NSString *NSRecursiveLockException = @"NSRecursiveLockException";
 {
   if ((_MUTEX)->owner == objc_thread_id())
     {
-      NSLog(@"WARNING: Thread attempted to recursively tryLock : %@", self);
+      NSDebugLog(@"WARNING: Thread attempted to recursively tryLock : %@", self);
       return NO;
     }
   // Ask the runtime to acquire a lock on the mutex