diff --git a/src/WindowResizer/TrayContext.cs b/src/WindowResizer/TrayContext.cs
index 723e364..979a114 100644
--- a/src/WindowResizer/TrayContext.cs
+++ b/src/WindowResizer/TrayContext.cs
@@ -389,6 +389,7 @@ private void OnKeyPressed(object sender, KeyPressedEventArgs e)
         private void SaveAll()
         {
             var windows = Resizer.GetOpenWindows();
+            ProfilesFactory.Current.WindowSizes.Clear();
             foreach (var window in windows)
             {
                 if (Resizer.GetWindowState(window) != WindowState.Minimized)