Index: vis.c
===================================================================
RCS file: /cvsroot/beepmp/bmp/beep/vis.c,v
retrieving revision 1.13
diff -u -p -r1.13 vis.c
--- vis.c	30 Dec 2004 23:13:39 -0000	1.13
+++ vis.c	17 Feb 2005 11:00:34 -0000
@@ -223,7 +223,8 @@ vis_draw(Widget * w)
     /* FIXME: The check "shouldn't" be neccessary? */
     /*	if (GTK_IS_WINDOW(vis->vs_window)) { */
     GDK_THREADS_ENTER();
-    gdk_draw_indexed_image(vis->vs_window, vis->vs_widget.gc,
+    if (GDK_IS_DRAWABLE(vis->vs_window))
+        gdk_draw_indexed_image(vis->vs_window, vis->vs_widget.gc,
                            vis->vs_widget.x, vis->vs_widget.y,
                            vis->vs_widget.width, vis->vs_widget.height,
                            GDK_RGB_DITHER_NORMAL, (guchar *) rgb_data,