diff --git a/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs b/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs
index 1a22b95409..950943d54a 100644
--- a/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs
+++ b/src/Avalonia.Native/AvaloniaNativeMenuExporter.cs
@@ -5,12 +5,89 @@ using System.Linq;
 using System.Text;
 using Avalonia.Controls;
 using Avalonia.Controls.Platform;
+using Avalonia.Input;
 using Avalonia.Native.Interop;
 using Avalonia.Platform.Interop;
 using Avalonia.Threading;
 
 namespace Avalonia.Native
 {
+    enum OsxUnicodeSpecialKey
+    {
+        NSUpArrowFunctionKey = 0xF700,
+        NSDownArrowFunctionKey = 0xF701,
+        NSLeftArrowFunctionKey = 0xF702,
+        NSRightArrowFunctionKey = 0xF703,
+        NSF1FunctionKey = 0xF704,
+        NSF2FunctionKey = 0xF705,
+        NSF3FunctionKey = 0xF706,
+        NSF4FunctionKey = 0xF707,
+        NSF5FunctionKey = 0xF708,
+        NSF6FunctionKey = 0xF709,
+        NSF7FunctionKey = 0xF70A,
+        NSF8FunctionKey = 0xF70B,
+        NSF9FunctionKey = 0xF70C,
+        NSF10FunctionKey = 0xF70D,
+        NSF11FunctionKey = 0xF70E,
+        NSF12FunctionKey = 0xF70F,
+        NSF13FunctionKey = 0xF710,
+        NSF14FunctionKey = 0xF711,
+        NSF15FunctionKey = 0xF712,
+        NSF16FunctionKey = 0xF713,
+        NSF17FunctionKey = 0xF714,
+        NSF18FunctionKey = 0xF715,
+        NSF19FunctionKey = 0xF716,
+        NSF20FunctionKey = 0xF717,
+        NSF21FunctionKey = 0xF718,
+        NSF22FunctionKey = 0xF719,
+        NSF23FunctionKey = 0xF71A,
+        NSF24FunctionKey = 0xF71B,
+        NSF25FunctionKey = 0xF71C,
+        NSF26FunctionKey = 0xF71D,
+        NSF27FunctionKey = 0xF71E,
+        NSF28FunctionKey = 0xF71F,
+        NSF29FunctionKey = 0xF720,
+        NSF30FunctionKey = 0xF721,
+        NSF31FunctionKey = 0xF722,
+        NSF32FunctionKey = 0xF723,
+        NSF33FunctionKey = 0xF724,
+        NSF34FunctionKey = 0xF725,
+        NSF35FunctionKey = 0xF726,
+        NSInsertFunctionKey = 0xF727,
+        NSDeleteFunctionKey = 0xF728,
+        NSHomeFunctionKey = 0xF729,
+        NSBeginFunctionKey = 0xF72A,
+        NSEndFunctionKey = 0xF72B,
+        NSPageUpFunctionKey = 0xF72C,
+        NSPageDownFunctionKey = 0xF72D,
+        NSPrintScreenFunctionKey = 0xF72E,
+        NSScrollLockFunctionKey = 0xF72F,
+        NSPauseFunctionKey = 0xF730,
+        NSSysReqFunctionKey = 0xF731,
+        NSBreakFunctionKey = 0xF732,
+        NSResetFunctionKey = 0xF733,
+        NSStopFunctionKey = 0xF734,
+        NSMenuFunctionKey = 0xF735,
+        NSUserFunctionKey = 0xF736,
+        NSSystemFunctionKey = 0xF737,
+        NSPrintFunctionKey = 0xF738,
+        NSClearLineFunctionKey = 0xF739,
+        NSClearDisplayFunctionKey = 0xF73A,
+        NSInsertLineFunctionKey = 0xF73B,
+        NSDeleteLineFunctionKey = 0xF73C,
+        NSInsertCharFunctionKey = 0xF73D,
+        NSDeleteCharFunctionKey = 0xF73E,
+        NSPrevFunctionKey = 0xF73F,
+        NSNextFunctionKey = 0xF740,
+        NSSelectFunctionKey = 0xF741,
+        NSExecuteFunctionKey = 0xF742,
+        NSUndoFunctionKey = 0xF743,
+        NSRedoFunctionKey = 0xF744,
+        NSFindFunctionKey = 0xF745,
+        NSHelpFunctionKey = 0xF746,
+        NSModeSwitchFunctionKey = 0xF747
+    }
+
     public class MenuActionCallback : CallbackBase, IAvnActionCallback
     {
         private Action _action;
@@ -50,6 +127,57 @@ namespace Avalonia.Native
         private IAvnWindow _nativeWindow;
         private List<NativeMenuItem> _menuItems = new List<NativeMenuItem>();
 
+        private static Dictionary<Key, OsxUnicodeSpecialKey> osxKeys = new Dictionary<Key, OsxUnicodeSpecialKey>
+        {
+            {Key.Up, OsxUnicodeSpecialKey.NSUpArrowFunctionKey },
+            {Key.Down, OsxUnicodeSpecialKey.NSDownArrowFunctionKey },
+            {Key.Left, OsxUnicodeSpecialKey.NSLeftArrowFunctionKey },
+            {Key.Right, OsxUnicodeSpecialKey.NSRightArrowFunctionKey },
+            { Key.F1, OsxUnicodeSpecialKey.NSF1FunctionKey },
+            { Key.F2, OsxUnicodeSpecialKey.NSF2FunctionKey },
+            { Key.F3, OsxUnicodeSpecialKey.NSF3FunctionKey },
+            { Key.F4, OsxUnicodeSpecialKey.NSF4FunctionKey },
+            { Key.F5, OsxUnicodeSpecialKey.NSF5FunctionKey },
+            { Key.F6, OsxUnicodeSpecialKey.NSF6FunctionKey },
+            { Key.F7, OsxUnicodeSpecialKey.NSF7FunctionKey },
+            { Key.F8, OsxUnicodeSpecialKey.NSF8FunctionKey },
+            { Key.F9, OsxUnicodeSpecialKey.NSF9FunctionKey },
+            { Key.F10, OsxUnicodeSpecialKey.NSF10FunctionKey },
+            { Key.F11, OsxUnicodeSpecialKey.NSF11FunctionKey },
+            { Key.F12, OsxUnicodeSpecialKey.NSF12FunctionKey },
+            { Key.F13, OsxUnicodeSpecialKey.NSF13FunctionKey },
+            { Key.F14, OsxUnicodeSpecialKey.NSF14FunctionKey },
+            { Key.F15, OsxUnicodeSpecialKey.NSF15FunctionKey },
+            { Key.F16, OsxUnicodeSpecialKey.NSF16FunctionKey },
+            { Key.F17, OsxUnicodeSpecialKey.NSF17FunctionKey },
+            { Key.F18, OsxUnicodeSpecialKey.NSF18FunctionKey },
+            { Key.F19, OsxUnicodeSpecialKey.NSF19FunctionKey },
+            { Key.F20, OsxUnicodeSpecialKey.NSF20FunctionKey },
+            { Key.F21, OsxUnicodeSpecialKey.NSF21FunctionKey },
+            { Key.F22, OsxUnicodeSpecialKey.NSF22FunctionKey },
+            { Key.F23, OsxUnicodeSpecialKey.NSF23FunctionKey },
+            { Key.F24, OsxUnicodeSpecialKey.NSF24FunctionKey },
+            { Key.Insert, OsxUnicodeSpecialKey.NSInsertFunctionKey },
+            { Key.Delete, OsxUnicodeSpecialKey.NSDeleteFunctionKey },
+            { Key.Home, OsxUnicodeSpecialKey.NSHomeFunctionKey },
+            //{ Key.Begin, OsxUnicodeSpecialKey.NSBeginFunctionKey },
+            { Key.End, OsxUnicodeSpecialKey.NSEndFunctionKey },
+            { Key.PageUp, OsxUnicodeSpecialKey.NSPageUpFunctionKey },
+            { Key.PageDown, OsxUnicodeSpecialKey.NSPageDownFunctionKey },
+            { Key.PrintScreen, OsxUnicodeSpecialKey.NSPrintScreenFunctionKey },
+            { Key.Scroll, OsxUnicodeSpecialKey.NSScrollLockFunctionKey },
+            //{ Key.SysReq, OsxUnicodeSpecialKey.NSSysReqFunctionKey },
+            //{ Key.Break, OsxUnicodeSpecialKey.NSBreakFunctionKey },
+            //{ Key.Reset, OsxUnicodeSpecialKey.NSResetFunctionKey },
+            //{ Key.Stop, OsxUnicodeSpecialKey.NSStopFunctionKey },
+            //{ Key.Menu, OsxUnicodeSpecialKey.NSMenuFunctionKey },
+            //{ Key.UserFunction, OsxUnicodeSpecialKey.NSUserFunctionKey },
+            //{ Key.SystemFunction, OsxUnicodeSpecialKey.NSSystemFunctionKey },
+            { Key.Print, OsxUnicodeSpecialKey.NSPrintFunctionKey },
+            //{ Key.ClearLine, OsxUnicodeSpecialKey.NSClearLineFunctionKey },
+            //{ Key.ClearDisplay, OsxUnicodeSpecialKey.NSClearDisplayFunctionKey },
+        };
+
         public AvaloniaNativeMenuExporter(IAvnWindow nativeWindow, IAvaloniaNativeFactory factory)
         {
             _factory = factory;
@@ -147,6 +275,18 @@ namespace Avalonia.Native
             }
         }
 
+        private static string ConvertOSXSpecialKeyCodes(Key key)
+        {
+            if (osxKeys.ContainsKey(key))
+            {
+                return ((char)osxKeys[key]).ToString();
+            }
+            else
+            {
+                return key.ToString().ToLower();
+            }
+        }
+
         private void SetChildren(IAvnAppMenu menu, ICollection<NativeMenuItemBase> children)
         {
             foreach (var i in children)
@@ -164,7 +304,7 @@ namespace Avalonia.Native
 
                     if (item.Gesture != null)
                     {
-                        using (var buffer = new Utf8Buffer(item.Gesture.Key.ToString().ToLower()))
+                        using (var buffer = new Utf8Buffer(ConvertOSXSpecialKeyCodes(item.Gesture.Key)))
                         {
                             menuItem.SetGesture(buffer.DangerousGetHandle(), (AvnInputModifiers)item.Gesture.KeyModifiers);
                         }