diff --git a/assets/keymaps/default-linux.json b/assets/keymaps/default-linux.json
index d7355b28cb9aee7c394f84230a657ee9ebc70c01..31b4a0690475408e148fb0a295114ded055a48f2 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 de8f3aa813ebaad3dcb8a86652b9920a55f6407a..79090cfea0268fbba00a62742f6b4355d5b08f8e 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"
     }