diff --git a/package/linux/launch-umongo.sh b/package/linux/launch-umongo.sh
index 3a5b456..c4ee045 100755
--- a/package/linux/launch-umongo.sh
+++ b/package/linux/launch-umongo.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 if [[ -L $0 ]]; then
 	dir="$(dirname "$(readlink -f "$0")")"
 else