diff --git a/include/SDL3/SDL_hints.h b/include/SDL3/SDL_hints.h
index 5b9f2f2fdb..3fbae85c16 100644
--- a/include/SDL3/SDL_hints.h
+++ b/include/SDL3/SDL_hints.h
@@ -3921,6 +3921,20 @@ extern "C" {
  */
 #define SDL_HINT_VIDEO_X11_XRANDR "SDL_VIDEO_X11_XRANDR"
 
+/**
+ * A variable controlling whether the X11 built in toolkit is prefered over Zenity.
+ *
+ * The variable can be set to the following values:
+ *
+ * - "0": Use Zenity if available.  (default)
+ * - "1": Always use the toolkit over Zenity.
+ *
+ * This hint should be set before a messagebox is created.
+ *
+ * \since This hint is available since SDL 3.4.0.
+ */
+#define SDL_HINT_VIDEO_X11_PREFER_TOOLKIT "SDL_VIDEO_X11_PREFER_TOOLKIT"
+
 /**
  * A variable controlling whether touch should be enabled on the back panel of
  * the PlayStation Vita.