--- a/pidgin/prefs/pidginprefs.h	Tue Oct 15 01:17:01 2024 -0500
+++ b/pidgin/prefs/pidginprefs.h	Tue Oct 15 01:48:58 2024 -0500
@@ -30,6 +30,7 @@
 #include <glib.h>
 #include <purple.h>
 #include <gtk/gtk.h>
+#include <adwaita.h>
 
 #include "pidginversion.h"
 
@@ -47,7 +48,7 @@
 
 PIDGIN_AVAILABLE_IN_3_0
 G_DECLARE_FINAL_TYPE(PidginPrefsWindow, pidgin_prefs_window, PIDGIN,
-                     PREFS_WINDOW, GtkDialog)
+                     PREFS_WINDOW, AdwPreferencesWindow)
 
 /**
  * pidgin_prefs_init: