diff --git a/groundstation/rtl-tcp.sh b/groundstation/rtl-tcp.sh
index 84b35f01..dc10376c 100755
--- a/groundstation/rtl-tcp.sh
+++ b/groundstation/rtl-tcp.sh
@@ -49,6 +49,7 @@ sudo killall -9 aplay &>/dev/null
 
 sudo killall -9 zenity &>/dev/null
 
+sudo killall -9 rtl_fm &>/dev/null
 
 sudo /bin/sh -c 'rtl_tcp -a $(hostname -I|cut -f1 -d " ")'