diff --git a/myacprep b/myacprep
index 745c9edd..d77d3008 100755
--- a/myacprep
+++ b/myacprep
@@ -2,4 +2,4 @@
 
 # This is how I run acprep on my OS X Leopard machine.
 
-./acprep --local --devel --debug --boost mt-1_35
+./acprep --local --devel --debug --boost sd