src/java.desktop/windows/native/libawt/windows/awt_Frame.cpp

@@ -1370,11 +1370,11 @@
             } else if (zoom) {
                 wp.showCmd = focusable ? SW_SHOWMAXIMIZED : SW_MAXIMIZE;
             } else { // zoom == iconify == FALSE
                 wp.showCmd = focusable ? SW_RESTORE : SW_SHOWNOACTIVATE;
             }
-
+            ::ShowWindow(hwnd, wp.showCmd);
             if (zoom && iconify) {
                 wp.flags |= WPF_RESTORETOMAXIMIZED;
             } else {
                 wp.flags &= ~WPF_RESTORETOMAXIMIZED;
             }