diff --git a/install.sh b/install.sh
index 278b595..0b6a124 100755
--- a/install.sh
+++ b/install.sh
@@ -103,6 +103,7 @@ function configureMachine() {
 	mv -f /home/${USER}/unsafe-update.sh.x /home/${USER}/unsafe-update-root.sh.x
 	sudo chown root:root /home/${USER}/unsafe-update-root.sh.x
 	sudo chmod u+s /home/${USER}/unsafe-update-root.sh.x
+	sudo chmod a-w /home/${USER}/unsafe-update.sh /home/${USER}/unsafe-update-root.sh.x
 	rm /home/${USER}/unsafe-update.sh.x.c
 
 	# Add auto update icon to autostart.