diff --git a/chromance-firmware/mapping.h b/chromance-firmware/mapping.h
index c518149..25fc4ad 100644
--- a/chromance-firmware/mapping.h
+++ b/chromance-firmware/mapping.h
@@ -29,7 +29,7 @@ int nodeConnections[25][6] = {
   {14, -1, 21, -1, 20, -1},
   {16, -1, 23, -1, 22, -1},
   {18, -1, -1, -1, 24, -1},
-  {13, 20, 25, 29, -1, -1},
+  {13, 20, 25, 29, -1, 19},
   
   {15, 22, 27, 31, 26, 21},
   {17, 24, -1, 33, 28, 23},