diff --git a/src/editor/keymap.js b/src/editor/keymap.js
index 211a0d3..ca52817 100644
--- a/src/editor/keymap.js
+++ b/src/editor/keymap.js
@@ -160,6 +160,6 @@ export function getKeymapExtensions(editor, keymap, keyBindings) {
     return heynoteKeymap(
         editor, 
         keymap === "emacs" ? EMACS_KEYMAP.concat(DEFAULT_KEYMAP) : DEFAULT_KEYMAP,
-        keyBindings,
+        keyBindings || [],
     )
 }
diff --git a/webapp/bridge.js b/webapp/bridge.js
index 1d5f09f..48944bc 100644
--- a/webapp/bridge.js
+++ b/webapp/bridge.js
@@ -89,6 +89,7 @@ let initialSettings = {
     showLineNumberGutter: true,
     showFoldGutter: true,
     bracketClosing: false,
+    keyBindings: [],
 }
 if (settingsData !== null) {
     initialSettings = Object.assign(initialSettings, JSON.parse(settingsData))