diff --git a/arduino-ide-extension/src/browser/contributions/quit-app.ts b/arduino-ide-extension/src/browser/contributions/quit-app.ts
index 809c9adb..2eee530b 100644
--- a/arduino-ide-extension/src/browser/contributions/quit-app.ts
+++ b/arduino-ide-extension/src/browser/contributions/quit-app.ts
@@ -8,24 +8,30 @@ import { ArduinoMenus } from '../menu/arduino-menus';
 export class QuitApp extends Contribution {
 
     registerCommands(registry: CommandRegistry): void {
-        registry.registerCommand(QuitApp.Commands.QUIT_APP, {
-            execute: () => remote.app.quit()
-        });
+        if (!isOSX) {
+            registry.registerCommand(QuitApp.Commands.QUIT_APP, {
+                execute: () => remote.app.quit()
+            });
+        }
     }
 
     registerMenus(registry: MenuModelRegistry): void {
-        registry.registerMenuAction(ArduinoMenus.FILE__QUIT_GROUP, {
-            commandId: QuitApp.Commands.QUIT_APP.id,
-            label: 'Quit',
-            order: '0'
-        });
+        if (!isOSX) {
+            registry.registerMenuAction(ArduinoMenus.FILE__QUIT_GROUP, {
+                commandId: QuitApp.Commands.QUIT_APP.id,
+                label: 'Quit',
+                order: '0'
+            });
+        }
     }
 
     registerKeybindings(registry: KeybindingRegistry): void {
-        registry.registerKeybinding({
-            command: QuitApp.Commands.QUIT_APP.id,
-            keybinding: isOSX ? 'CtrlCmd+Q' : isWindows ? 'Alt+F4' : 'Ctrl+Q'
-        });
+        if (!isOSX) {
+            registry.registerKeybinding({
+                command: QuitApp.Commands.QUIT_APP.id,
+                keybinding: isWindows ? 'Alt+F4' : 'Ctrl+Q'
+            });
+        }
     }
 
 }
diff --git a/arduino-ide-extension/src/browser/theia/core/common-frontend-contribution.ts b/arduino-ide-extension/src/browser/theia/core/common-frontend-contribution.ts
index 577341f3..3517f6df 100644
--- a/arduino-ide-extension/src/browser/theia/core/common-frontend-contribution.ts
+++ b/arduino-ide-extension/src/browser/theia/core/common-frontend-contribution.ts
@@ -17,6 +17,7 @@ export class CommonFrontendContribution extends TheiaCommonFrontendContribution
             CommonCommands.FIND,
             CommonCommands.REPLACE,
             CommonCommands.AUTO_SAVE,
+            CommonCommands.OPEN_PREFERENCES,
             CommonCommands.SELECT_ICON_THEME,
             CommonCommands.SELECT_COLOR_THEME
         ]) {