diff --git a/app/boards/arm/bluemicro840/bluemicro840_v1.dts b/app/boards/arm/bluemicro840/bluemicro840_v1.dts
index a3a5ba99..933df570 100644
--- a/app/boards/arm/bluemicro840/bluemicro840_v1.dts
+++ b/app/boards/arm/bluemicro840/bluemicro840_v1.dts
@@ -29,6 +29,7 @@
 	ext-power {
 		compatible = "zmk,ext-power-generic";
 		label = "EXT_POWER";
+		init-delay-ms = <20>;
 		control-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
 	};