diff --git a/python_apps/pypo/airtime-liquidsoap-init-d b/python_apps/pypo/airtime-liquidsoap-init-d
index 0d4d827bf..ebff89168 100755
--- a/python_apps/pypo/airtime-liquidsoap-init-d
+++ b/python_apps/pypo/airtime-liquidsoap-init-d
@@ -37,7 +37,7 @@ start () {
 stop () {
         #send term signal after 10 seconds
         timeout --version
-        $RESULT="$?"
+        RESULT="$?"
         if [ "$RESULT" = "0" ]; then
             timeout -s9 10s /usr/lib/airtime/airtime_virtualenv/bin/python \
                 /usr/lib/airtime/pypo/bin/liquidsoap_scripts/liquidsoap_prepare_terminate.py