diff --git a/src/Avalonia.X11/X11Window.cs b/src/Avalonia.X11/X11Window.cs
index 478a908951..3a919e2bc4 100644
--- a/src/Avalonia.X11/X11Window.cs
+++ b/src/Avalonia.X11/X11Window.cs
@@ -442,7 +442,7 @@ namespace Avalonia.X11
                             updatedSizeViaScaling = UpdateScaling();
                         }
 
-                        if (changedSize && !updatedSizeViaScaling)
+                        if (changedSize && !updatedSizeViaScaling && !_popup)
                             Resized?.Invoke(ClientSize);
 
                         Dispatcher.UIThread.RunJobs(DispatcherPriority.Layout);