diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index 7fa6614d4d..4d63c486c4 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -1877,7 +1877,12 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
     
     for(int i = 0; i < numWindows; i++)
     {
-        [[windows objectAtIndex:i] performClose:nil];
+        auto window = (AvnWindow*)[windows objectAtIndex:i];
+        
+        if([window parentWindow] == nullptr) // Avalonia will handle the child windows.
+        {
+            [window performClose:nil];
+        }
     }
 }