diff --git a/keyboards/ymdk/ymd75/rev4/iso/keymaps/vial/config.h b/keyboards/ymdk/ymd75/rev4/iso/keymaps/vial/config.h
index 2688d699c3f..55dd2260492 100644
--- a/keyboards/ymdk/ymd75/rev4/iso/keymaps/vial/config.h
+++ b/keyboards/ymdk/ymd75/rev4/iso/keymaps/vial/config.h
@@ -3,7 +3,7 @@
 #pragma once
 
 #define VIAL_KEYBOARD_UID {0x26, 0xE5, 0x68, 0x8A, 0x5E, 0xC9, 0x9E, 0x0F}
-#define VIAL_UNLOCK_COMBO_ROWS { 5, 8 }
-#define VIAL_UNLOCK_COMBO_COLS { 0, 4 }
+#define VIAL_UNLOCK_COMBO_ROWS { 5, 9 }
+#define VIAL_UNLOCK_COMBO_COLS { 0, 3 }
 
 #define DYNAMIC_KEYMAP_LAYER_COUNT 3