diff --git a/assets/keymaps/default-linux.json b/assets/keymaps/default-linux.json
index c93ba23cd611897c6784f3cd67ba7dc05239bac2..e2cf7090c667970738c1b7d276ba5537e8d34af5 100644
--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -244,7 +244,7 @@
       "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 a54fcfbdaa06c6ccbab56f939e6b426e48501dbe..26631c27212d54e1cde42d2d7e4fa6e6a589e25d 100644
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -290,7 +290,7 @@
       "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"
     }