src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -672,10 +672,11 @@
                 owner.execute(ownerPtr -> {
                     execute(ptr -> {
                         CWrapper.NSWindow.orderWindow(ptr, CWrapper.NSWindow.NSWindowAbove, ownerPtr);
                     });
                 });
+                execute(CWrapper.NSWindow::orderFront);
                 applyWindowLevel(target);
             }
 
             // Order my own children above myself
             for (Window w : target.getOwnedWindows()) {