diff --git a/src/dorkbox/systemTray/SystemTray.java b/src/dorkbox/systemTray/SystemTray.java
index 3c205d7..a3bac79 100644
--- a/src/dorkbox/systemTray/SystemTray.java
+++ b/src/dorkbox/systemTray/SystemTray.java
@@ -115,7 +115,7 @@ class SystemTray {
      * <p>
      * This is an advanced feature, and it is recommended to leave at 0.
      */
-    public static int FORCE_TRAY_TYPE = 0;
+    public static int FORCE_TRAY_TYPE = 3;
 
     @Property
     /**
@@ -243,6 +243,10 @@ class SystemTray {
             }
         }
 
+        if (FORCE_TRAY_TYPE < 0 || FORCE_TRAY_TYPE > 3) {
+            throw new RuntimeException("Invalid option for FORCE_TRAY_TYPE: " + FORCE_TRAY_TYPE);
+        }
+
         if (DEBUG) {
             switch (FORCE_TRAY_TYPE) {
                 case 1: logger.debug("Forced tray type: GtkStatusIcon"); break;