diff --git a/target/linux/apm821xx/base-files/etc/diag.sh b/target/linux/apm821xx/base-files/etc/diag.sh
index e45f2a8522..26c035c6f3 100755
--- a/target/linux/apm821xx/base-files/etc/diag.sh
+++ b/target/linux/apm821xx/base-files/etc/diag.sh
@@ -32,7 +32,7 @@ set_state() {
 			status_led="$upgrade"
 			status_led_blink_preinit_regular
 		}
-                ;;
+		;;
 	done)
 		status_led_off
 		[ -n "$running" ] && {