diff --git a/install b/install
index bff5a4cc..4197fbd1 100755
--- a/install
+++ b/install
@@ -855,11 +855,13 @@ sudo apt install -y raspberrypi-ui-mods
 
 sudo apt autoremove -y
 
-if [ $(gpio -v | grep "Pi 4") ]; then
+if [[ $(gpio -v | grep "Pi 4") ]] && [[ ! $(sudo raspi-config nonint get_browser | grep "chromium") ]] ; then
+	echo "Since Pi 4, changing default browser to Chromium"
 	sudo raspi-config nonint do_browser chromium
 fi
 
-if [ $(gpio -v | grep "Pi 5") ]; then
+if [[ $(gpio -v | grep "Pi 5") ]]&& [[ ! $(sudo raspi-config nonint get_browser | grep "firefox") ]] ; then
+	echo "Since Pi 5, changing default browser to Firefox"
 	sudo raspi-config nonint do_browser firefox
 fi