diff --git a/target/linux/ramips/base-files/etc/diag.sh b/target/linux/ramips/base-files/etc/diag.sh
index 75171673bb6..16c83f2d3f9 100644
--- a/target/linux/ramips/base-files/etc/diag.sh
+++ b/target/linux/ramips/base-files/etc/diag.sh
@@ -24,6 +24,7 @@ get_status_led() {
 	ex2700|\
 	ex3700|\
 	fonera20n|\
+	hg255d|\
 	kn|\
 	kn_rc|\
 	kn_rf|\