diff --git a/src/components/App.jsx b/src/components/App.jsx
index da45152..f1a359e 100644
--- a/src/components/App.jsx
+++ b/src/components/App.jsx
@@ -75,17 +75,13 @@ export default class App extends React.Component {
   }
 
   componentDidMount() {
-    Mousetrap.bind(['ctrl+z'], this.onUndo.bind(this));
-    Mousetrap.bind(['command+z'], this.onUndo.bind(this));
-    Mousetrap.bind(['ctrl+y'], this.onRedo.bind(this));
-    Mousetrap.bind(['command+shift+z'], this.onRedo.bind(this));
+    Mousetrap.bind(['mod+z'], this.onUndo.bind(this));
+    Mousetrap.bind(['mod+y', 'mod+shift+z'], this.onRedo.bind(this));
   }
 
   componentWillUnmount() {
-    Mousetrap.unbind(['ctrl+z'], this.onUndo.bind(this));
-    Mousetrap.unbind(['command+z'], this.onUndo.bind(this));
-    Mousetrap.unbind(['ctrl+y'], this.onRedo.bind(this));
-    Mousetrap.unbind(['command+shift+z'], this.onRedo.bind(this));
+    Mousetrap.unbind(['mod+z'], this.onUndo.bind(this));
+    Mousetrap.unbind(['mod+y', 'mod+shift+z'], this.onRedo.bind(this));
   }
 
   onReset() {