diff --git a/app/boards/arm/proton_c/arduino_pro_micro_pins.dtsi b/app/boards/arm/proton_c/arduino_pro_micro_pins.dtsi
index 16e77866..9b2a4757 100644
--- a/app/boards/arm/proton_c/arduino_pro_micro_pins.dtsi
+++ b/app/boards/arm/proton_c/arduino_pro_micro_pins.dtsi
@@ -25,6 +25,7 @@
 			, <16 0 &gpiob 15 0>	/* D16 */
 			, <14 0 &gpiob 14 0>	/* D14 */
 			, <15 0 &gpiob 13 0>	/* D15 */
+			;
 	};
 
 	pro_micro_a: connector_a {