diff --git a/bin/rmbr b/bin/rmbr
index c44cbe1..ef8bb83 100755
--- a/bin/rmbr
+++ b/bin/rmbr
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 if [ $# -lt 1 ] ; then
     echo Usage: $0 branch
     exit 1