diff --git a/Scripts/UI/OptionsMenu.cs b/Scripts/UI/OptionsMenu.cs
index 7e7661dc..01358a28 100644
--- a/Scripts/UI/OptionsMenu.cs
+++ b/Scripts/UI/OptionsMenu.cs
@@ -18,6 +18,7 @@ public partial class OptionsMenu : MenuBase
     [Export] public OptionButton ResolutionsList { get; private set; }
     
     [Export] public CheckBox VSyncToggle { get; private set; }
+    [Export] public CheckBox FullScreenToggle { get; private set; }
     
     //[Export] public HSlider MusicVolumeSlider { get; private set; }
     
@@ -34,6 +35,7 @@ public partial class OptionsMenu : MenuBase
         
         VSyncToggle.Toggled += VSyncToggleOnToggled;
         
+        FullScreenToggle.SetPressed(DisplayServer.WindowGetMode() is DisplayServer.WindowMode.Fullscreen);
     }
 
     private void VSyncToggleOnToggled(bool toggledOn)