diff --git a/assets/keymaps/default-linux.json b/assets/keymaps/default-linux.json
index c0cc462ed59158b5183b60b7fc998f9a4570b319..48d6d154aa750e2ee789076100f4eb86e766eb84 100644
--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -245,7 +245,7 @@
       "ctrl-shift-a": "agent::ToggleContextPicker",
       "ctrl-shift-o": "agent::ToggleNavigationMenu",
       "ctrl-shift-i": "agent::ToggleOptionsMenu",
-      "shift-escape": "agent::ExpandMessageEditor",
+      "shift-alt-escape": "agent::ExpandMessageEditor",
       "ctrl-alt-e": "agent::RemoveAllContext",
       "ctrl-shift-e": "project_panel::ToggleFocus"
     }
diff --git a/assets/keymaps/default-macos.json b/assets/keymaps/default-macos.json
index 5b8976b75296c471b03ff75a6aeb89f4f87a6183..8ad40d8bed47af9d7b0959814f9768a5c2c10cf3 100644
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -291,7 +291,7 @@
       "cmd-shift-a": "agent::ToggleContextPicker",
       "cmd-shift-o": "agent::ToggleNavigationMenu",
       "cmd-shift-i": "agent::ToggleOptionsMenu",
-      "shift-escape": "agent::ExpandMessageEditor",
+      "shift-alt-escape": "agent::ExpandMessageEditor",
       "cmd-alt-e": "agent::RemoveAllContext",
       "cmd-shift-e": "project_panel::ToggleFocus"
     }