diff --git a/Configure.pir b/Configure.pir
old mode 100644
new mode 100755
index ed9a783..904b843
--- a/Configure.pir
+++ b/Configure.pir
@@ -1,3 +1,4 @@
+#! /usr/local/bin/parrot
 # Copyright (C) 2009, Parrot Foundation.
 
 .include 'sysinfo.pasm'