--- a/src/java.desktop/share/classes/javax/swing/UIManager.java.orig	Mon Nov 27 19:15:37 2023
+++ b/src/java.desktop/share/classes/javax/swing/UIManager.java	Mon Nov 27 19:45:00 2023
@@ -667,10 +667,16 @@
         } else {
             Toolkit toolkit = Toolkit.getDefaultToolkit();
             if (toolkit instanceof SunToolkit) {
+                String xdgCurrentDesktop = System.getenv("XDG_CURRENT_DESKTOP");
                 SunToolkit suntk = (SunToolkit)toolkit;
                 String desktop = suntk.getDesktop();
                 boolean gtkAvailable = suntk.isNativeGTKAvailable();
-                if ("gnome".equals(desktop) && gtkAvailable) {
+                if ((
+                        "mate".equalsIgnoreCase(xdgCurrentDesktop) || 
+                        "gnome".equalsIgnoreCase(xdgCurrentDesktop) || 
+                        "gnome".equals(desktop)
+                     ) && gtkAvailable
+                   ) {
                     return "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
                 }
             }