diff --git a/app/boards/shields/helix/helix.dtsi b/app/boards/shields/helix/helix.dtsi
index 9a18be6f..8df943f0 100644
--- a/app/boards/shields/helix/helix.dtsi
+++ b/app/boards/shields/helix/helix.dtsi
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: MIT
  */
 
+#include <dt-bindings/zmk/matrix_transform.h>
+
 / {
     chosen {
         zmk,kscan = &kscan0;