diff --git a/macos/Runner/MainFlutterWindow.swift b/macos/Runner/MainFlutterWindow.swift
index b0cf08eb..44ac0791 100644
--- a/macos/Runner/MainFlutterWindow.swift
+++ b/macos/Runner/MainFlutterWindow.swift
@@ -35,6 +35,9 @@ class MainFlutterWindow: NSWindow {
 
     RegisterGeneratedPlugins(registry: flutterViewController)
 
+    // Enable window position/size persistence
+    self.setFrameAutosaveName("com.edde746.plezy.MainWindow")
+
     super.awakeFromNib()
   }
 }