diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index aefcb7f..7e334d4 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -78,6 +78,7 @@
 			label = "user_led";
 			gpios = <&gpio4 14 0x4>;
 			default-state = "on";
+			linux,default-trigger = "heartbeat";
 		};
 	};