diff --git a/target/linux/ar71xx/base-files/etc/diag.sh b/target/linux/ar71xx/base-files/etc/diag.sh
index d37223f950..0d714ed3ac 100755
--- a/target/linux/ar71xx/base-files/etc/diag.sh
+++ b/target/linux/ar71xx/base-files/etc/diag.sh
@@ -105,9 +105,9 @@ get_status_led() {
 	rb-411 | rb-411u | rb-433 | rb-433u | rb-450 | rb-450g | rb-493)
 		status_led="rb4xx:yellow:user"
 		;;
-       rb-750)
-               status_led="rb750:green:act"
-               ;;
+	rb-750)
+		status_led="rb750:green:act"
+		;;
 	routerstation | routerstation-pro)
 		status_led="ubnt:green:rf"
 		;;