diff --git a/menuffy/AppDelegate.swift b/menuffy/AppDelegate.swift
index 0bb705e..85a5652 100644
--- a/menuffy/AppDelegate.swift
+++ b/menuffy/AppDelegate.swift
@@ -64,7 +64,9 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         let app = activeApp()
         let pid = app.processIdentifier
 
-        menuWindow = MenuWindow()
+        let location = NSEvent.mouseLocation
+        menuWindow = MenuWindow(locationX: location.x, locationY: location.y)
+
         menuView = MenuView()
         menuView.appMenu.delegate = self
         menuWindow.contentView?.addSubview(menuView)
diff --git a/menuffy/MainMenu/MenuWindow.swift b/menuffy/MainMenu/MenuWindow.swift
index c5cb6b9..b182dd8 100644
--- a/menuffy/MainMenu/MenuWindow.swift
+++ b/menuffy/MainMenu/MenuWindow.swift
@@ -11,16 +11,8 @@ import Cocoa
 // NSWindow だと NSTextField が active にならないので NSPanel にする
 class MenuWindow: NSPanel {
 
-    override init(contentRect: NSRect,
-                  styleMask style: NSWindow.StyleMask,
-                  backing backingStoreType: NSWindow.BackingStoreType,
-                  defer flag: Bool) {
-
-        let screenFrame = NSScreen.main!.frame
-        let menuX = screenFrame.width / 2 - 100
-        let menuY = screenFrame.height / 2 + 100
-
-        super.init(contentRect: NSRect(x: menuX, y: menuY, width: 200, height: 50),
+    init(locationX: CGFloat, locationY: CGFloat) {
+        super.init(contentRect: NSRect(x: locationX, y: locationY, width: 200, height: 50),
                    styleMask: [.nonactivatingPanel],
                    backing: .buffered,
                    defer: false)
@@ -31,7 +23,6 @@ class MenuWindow: NSPanel {
         self.makeKeyAndOrderFront(nil)
         self.collectionBehavior = [.canJoinAllSpaces, .fullScreenAuxiliary]
         self.level = NSWindow.Level.floating
-
     }
 
     override var canBecomeKey: Bool {