diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index 1318e738..e5c6cd87 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -310,6 +310,8 @@ else
 
 fi
 
+sudo killall -9 rtl_test &>/dev/null
+
 sleep 10
 
 #echo "Stopping Pacsatsim"