diff --git a/2012/waza.slide b/2012/waza.slide
index b9e5c61..f686524 100644
--- a/2012/waza.slide
+++ b/2012/waza.slide
@@ -441,7 +441,7 @@
 
 Some history: swtch.com/~rsc/thread/
 
-A previous talk (video): tinyurl.com/newsqueak
+A previous talk (video): tinyurl.com/newsqueak1
 
 Parellelism is not concurrency (Harper): tinyurl.com/pincharper