--- tools/rosbash/rosbash.orig	2010-06-28 22:22:33.000000000 +0200
+++ tools/rosbash/rosbash	2010-12-03 19:52:43.000000000 +0100
@@ -1,6 +1,6 @@
 
 function _rossed {
-    if [[ `uname` == Darwin ]]; then
+    if [[ `uname` == Darwin || `uname` == FreeBSD ]]; then
         sed -E "$@"
     else
         sed -r "$@"