diff --git a/progs/numpyBootstrap.csh b/progs/numpyBootstrap.csh
index 28097ad..27e9f2c 100755
--- a/progs/numpyBootstrap.csh
+++ b/progs/numpyBootstrap.csh
@@ -1,3 +1,4 @@
+#!/bin/csh
 set CD=$PWD
 echo $CD
 pushd $TMPDIR