diff --git a/install/rm.sh b/install/rm.sh
index b6edd17..5d94cad 100644
--- a/install/rm.sh
+++ b/install/rm.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 if [ -d "/opt/D-APRS" ]
 then
    rm -r /opt/D-APRS