diff --git a/app/boards/shields/mercury/mercury.keymap b/app/boards/shields/mercury/mercury.keymap
index 57910961..1ced8284 100644
--- a/app/boards/shields/mercury/mercury.keymap
+++ b/app/boards/shields/mercury/mercury.keymap
@@ -77,7 +77,7 @@
         };
         combo_esc {
             timeout-ms = <25>;
-            key-positions = <26 26>;
+            key-positions = <26 27>;
             bindings = <&kp ESC>;
         };
     };