diff -Naur gnubg-1.08.002.orig/gtkrelational.c gnubg-1.08.002/gtkrelational.c
--- gnubg-1.08.002.orig/gtkrelational.c	2024-02-24 22:07:39.000000000 +0100
+++ gnubg-1.08.002/gtkrelational.c	2024-03-06 22:45:43.113919993 +0100
@@ -502,7 +502,7 @@
     // window setup
     // window = (GtkWindow*)gtk_window_new(GTK_WINDOW_TOPLEVEL);
     //window = GTKCreateDialog("", DT_INFO, NULL, DIALOG_FLAG_MINMAXBUTTONS, NULL, NULL);
-    window = GTKCreateDialog(_("History plot"), DT_INFO, pwDialog, DIALOG_FLAG_MINMAXBUTTONS, NULL, NULL);
+    window = GTKCreateDialog(_("History plot"), DT_INFO, NULL, DIALOG_FLAG_MINMAXBUTTONS, NULL, NULL);
 
     gtk_window_set_default_size (GTK_WINDOW(window), WIDTH, HEIGHT);
     gtk_window_set_position     (GTK_WINDOW(window), GTK_WIN_POS_CENTER);