diff --git a/gtk/old-gtk-compat.h b/gtk/old-gtk-compat.h
index 434ad35e1c..27adbd013b 100644
--- a/gtk/old-gtk-compat.h
+++ b/gtk/old-gtk-compat.h
@@ -39,6 +39,7 @@
 #	define gtk_adjustment_get_page_increment(adj) (adj)->page_increment
 #	define gtk_adjustment_set_page_size(adj, val) (adj)->page_size = val
 #	define gtk_adjustment_get_page_size(adj) (adj)->page_size
+#	define gtk_dialog_get_content_area(GTK_DIALOG(dialog)) (dialog)->vbox 
 #endif
 
 #if !GTK_CHECK_VERSION (2, 16, 0)
diff --git a/gtk/packet_win.c b/gtk/packet_win.c
index 2234b212d5..dca4ce589f 100644
--- a/gtk/packet_win.c
+++ b/gtk/packet_win.c
@@ -489,7 +489,7 @@ new_finfo_window(GtkWidget *w, struct FieldinfoWinData *DataPtr)
 			GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 			NULL);
 
-	GtkWidget *dialog_vbox = GTK_DIALOG(dialog)->vbox;
+	GtkWidget *dialog_vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 	GtkWidget *fvalue_edit;
 	GtkWidget *native_repr;
 	GtkWidget *bv_nb_ptr;