diff --git a/etcs/hostapd/edit_ssid.sh b/etcs/hostapd/edit_ssid.sh
index e02656d..1e6bc89 100644
--- a/etcs/hostapd/edit_ssid.sh
+++ b/etcs/hostapd/edit_ssid.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 # edit_ssid.sh - edits hostapd.conf and sets a MAC address-based SSID
+cd `dirname $0`
 ssid=`ip link | awk '/wlan0/ {getline; print $2}' | awk -v FS=':' '{printf("TeraHz_%s%s%s\n", $4, $5, $6)}'`
 sed "/ssid=.*/s/ssid=.*/ssid=$ssid/" hostapd.conf > newconf
 mv newconf hostapd.conf