diff --git a/keyboards/rk/rk839/keyboard.json b/keyboards/rk/rk839/keyboard.json
index 06f9eb9b9b5..634a76f64a1 100644
--- a/keyboards/rk/rk839/keyboard.json
+++ b/keyboards/rk/rk839/keyboard.json
@@ -166,6 +166,7 @@
                 {"matrix": [0, 11], "x": 11, "y": 0},
                 {"matrix": [0, 12], "x": 12, "y": 0},
                 {"matrix": [0, 13], "x": 13, "y": 0, "w": 2},
+                {"matrix": [0, 14], "x": 15, "y": 0},
                 {"matrix": [1, 0], "x": 0, "y": 1, "w": 1.5},
                 {"matrix": [1, 1], "x": 1.5, "y": 1},
                 {"matrix": [1, 2], "x": 2.5, "y": 1},