diff --git a/keyboards/handwired/dactyl_manuform_carbonfet/info.json b/keyboards/handwired/dactyl_manuform_carbonfet/info.json
index 9d0b92ad5e8..f19c3b4d802 100644
--- a/keyboards/handwired/dactyl_manuform_carbonfet/info.json
+++ b/keyboards/handwired/dactyl_manuform_carbonfet/info.json
@@ -9,7 +9,9 @@
     "diode_direction": "COL2ROW",
     "split": {
         "enabled": true,
-        "soft_serial_pin": "D0"
+        "serial": {
+            "pin": "D0"
+        }
     },
     "features": {
         "bootmagic": true,