--- a/plugins/top.sh
+++ b/plugins/top.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 echo "<module>";
 echo "<name>top</name>";
 echo "<type>generic_data_string</type>";
--- a/plugins/who.sh
+++ b/plugins/who.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 echo "<module>";
 echo "<name>who</name>";
 echo "<type>generic_data_string</type>";
