diff --git a/arch/arm/boot/dts/gemini/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini/gemini-nas4220b.dts
index 6544c730340f..2488b9b24218 100644
--- a/arch/arm/boot/dts/gemini/gemini-nas4220b.dts
+++ b/arch/arm/boot/dts/gemini/gemini-nas4220b.dts
@@ -52,6 +52,7 @@ led-orange-hdd {
 			/* Conflict with TVC */
 			gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
 			default-state = "on";
+			linux,default-trigger = "disk-activity";
 		};
 		led-green-os {
 			label = "nas4220b:green:os";