diff --git a/groundstation/sstv_decode_sim.sh b/groundstation/sstv_decode_sim.sh
index 3b72c7a4..f4451d30 100755
--- a/groundstation/sstv_decode_sim.sh
+++ b/groundstation/sstv_decode_sim.sh
@@ -21,6 +21,8 @@ sudo systemctl stop rtl_tcp
 
 pkill -o chromium &>/dev/null
 
+pkill -o firefox &>/dev/null
+
 sudo killall -9 qsstv &>/dev/null
 
 sudo killall -9 rtl_tcp &>/dev/null