diff --git a/keyboards/gggw/crosses/4x6/rev2/config.h b/keyboards/gggw/crosses/4x6/rev2/config.h
index 4f0cf3975de..d6760849043 100644
--- a/keyboards/gggw/crosses/4x6/rev2/config.h
+++ b/keyboards/gggw/crosses/4x6/rev2/config.h
@@ -15,6 +15,8 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#pragma once
+
 /*
  * OLED
  */