diff --git a/examples/menu.rs b/examples/menu.rs
index 76eeaf8..624db03 100644
--- a/examples/menu.rs
+++ b/examples/menu.rs
@@ -89,13 +89,20 @@ fn main() {
     //window.add_menu("Test", &menu).expect("Unable to add menu");
 
     let mut menu = Menu::new("TestMenu").unwrap();
+    let mut sub = Menu::new("SubMenu").unwrap();
 
     menu.add_menu_item(&MenuItem::new("Item 1", 1).shortcut(Key::S, 0));
     menu.add_menu_item(&MenuItem::new("Item 2", 2));
     menu.add_menu_item(&MenuItem::new("Item 3", 3));
 
+    sub.add_item("Test", 0).build();
+    sub.add_item("Test 2", 0).build();
+
+    menu.add_item("", 0).separator().build();
     menu.add_item("Some item", 2).shortcut(Key::Y, MENU_KEY_CTRL).build();
 
+    menu.add_sub_menu("Sub Test", &sub);
+
     let _ = window.add_menu(&menu);
 
     let color_mul = 1;
diff --git a/src/lib.rs b/src/lib.rs
index a7e4f05..974c227 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -525,8 +525,8 @@ impl Menu {
     }
 
     #[inline]
-    pub fn add_sub_menu(&mut self, _menu: &Menu) {
-        //self.0.add_sub_menu(menu)
+    pub fn add_sub_menu(&mut self, name: &str, menu: &Menu) {
+        self.0.add_sub_menu(name, &menu.0)
     }
 
     #[inline]
diff --git a/src/native/macosx/MacMiniFB.m b/src/native/macosx/MacMiniFB.m
index aae240c..39df473 100644
--- a/src/native/macosx/MacMiniFB.m
+++ b/src/native/macosx/MacMiniFB.m
@@ -605,10 +605,22 @@ uint64_t mfb_add_menu_item(
 		NSMenuItem* newItem = [[NSMenuItem alloc] initWithTitle:name action:@selector(onMenuPress:) keyEquivalent:@""];
 		[newItem setTag:menu_id];
 
-		if ((modfier & MENU_KEY_COMMAND) ||
-		    (modfier & MENU_KEY_COMMAND)) {
+		// This code may look a bit weird but is here for a reason:
+		//
+		// In order to make it easier to bulid cross-platform apps Ctrl is often used as
+		// default modifier on Windows/Nix* while it's Command on Mac. Now we when Ctrl
+		// is set we default to Command on Mac for that reason but if Command AND Ctrl is
+		// set we allow both Ctrl and Command to be used but then it's up to the developer
+		// to deal with diffrent shortcuts depending on OS.
+		//
+
+		if ((modfier & MENU_KEY_CTRL)) {
 			mask |= NSCommandKeyMask;
 		}
+		if ((modfier & MENU_KEY_CTRL) &&
+		    (modfier & MENU_KEY_COMMAND)) {
+			mask |= NSControlKeyMask;
+		}
 		if (modfier & MENU_KEY_SHIFT) {
 			mask |= NSShiftKeyMask;
 		}
@@ -641,6 +653,18 @@ uint64_t mfb_add_menu_item(
 	return 0;
 }
 
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void mfb_add_sub_menu(void* parent_menu, const char* menu_name, void* attach_menu) {
+	NSMenu* parent = (NSMenu*)parent_menu;
+	NSMenu* attach = (NSMenu*)attach_menu;
+	NSString* name = [NSString stringWithUTF8String: menu_name];
+
+	NSMenuItem* newItem = [[NSMenuItem alloc] initWithTitle:name action:NULL keyEquivalent:@""];
+	[newItem setSubmenu:attach];
+
+	[parent addItem:newItem];
+}
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
diff --git a/src/os/macos/mod.rs b/src/os/macos/mod.rs
index c987cbc..319aafc 100644
--- a/src/os/macos/mod.rs
+++ b/src/os/macos/mod.rs
@@ -181,6 +181,7 @@ extern {
     fn mfb_get_screen_size() -> u32;
     fn mfb_is_active(window: *mut c_void) -> u32;
     fn mfb_add_menu(window: *mut c_void, menu: *mut c_void);
+    fn mfb_add_sub_menu(parent_menu: *mut c_void, name: *const c_char, menu: *mut c_void);
     //fn mfb_remove_menu(window: *mut c_void, name: *const c_char);
     //fn mfb_update_menu(window: *mut c_void, name: *const c_char, menu: *mut c_void);
     //fn mfb_active_menu(window: *mut c_void) -> i32;
@@ -616,6 +617,13 @@ impl Menu {
         }
     }
 
+    pub fn add_sub_menu(&mut self, name: &str, sub_menu: &Menu) {
+        unsafe {
+            let menu_name = CString::new(name).unwrap();
+            mfb_add_sub_menu(self.menu_handle, menu_name.as_ptr(), sub_menu.menu_handle)
+        }
+    }
+
     pub fn add_menu_item(&mut self, item: &MenuItem) -> MenuItemHandle {
         unsafe {
             let item_name = CString::new(item.label.as_str()).unwrap();