diff --git a/groundstation/sdr.sh b/groundstation/sdr.sh
index cbc43b7c..8b06fa5e 100755
--- a/groundstation/sdr.sh
+++ b/groundstation/sdr.sh
@@ -10,7 +10,7 @@ hostname -I|cut -f1 -d ' '
 
 #./kill_all.sh
 
-sudo sytemctl stop rtl_tcp
+sudo systemctl stop rtl_tcp
 
 #cd ~/openwebrx