diff --git a/app/boards/shields/mercury/Kconfig.defconfig b/app/boards/shields/mercury/Kconfig.defconfig
index 8cef93ef..8c725095 100644
--- a/app/boards/shields/mercury/Kconfig.defconfig
+++ b/app/boards/shields/mercury/Kconfig.defconfig
@@ -1,7 +1,7 @@
 if SHIELD_MERCURY_LEFT
 
 config ZMK_KEYBOARD_NAME
-	default "Mercury-WL"
+	default "Mercury-UL"
 
 config ZMK_SPLIT_BLE_ROLE_CENTRAL
 	default y
diff --git a/app/boards/shields/mercury/mercury.keymap b/app/boards/shields/mercury/mercury.keymap
index 732f0bbb..92e165a5 100644
--- a/app/boards/shields/mercury/mercury.keymap
+++ b/app/boards/shields/mercury/mercury.keymap
@@ -63,7 +63,7 @@
         };
         combo_menu {
             timeout-ms = <COMBO_TIMEOUT>;
-            key-positions = <19 20>;
+            key-positions = <18 19>;
             bindings = <&kp K_CMENU>;
         };
         combo_tab {