diff -U 9 -r spyview-2009-09-10-00_02.orig/spyview/spyview.C spyview-2009-09-10-00_02/spyview/spyview.C
--- spyview-2009-09-10-00_02.orig/spyview/spyview.C	2009-09-09 13:20:18.000000000 +0200
+++ spyview-2009-09-10-00_02/spyview/spyview.C	2009-09-11 23:47:14.000000000 +0200
@@ -843,19 +843,19 @@
     {
       spypal->win->show();
       colormap_callback = spypal_cb;
       spypal_cb();
       return;
     }
   else
     colormap_callback = NULL;
 
-  assert(index > 0);
+  assert(index >= 0); //lets see what this does
   assert(index < cmapfiles.size());
 
   //info("userdata for %s is %d\n", cmapch->value(), index);
   const char *filename = cmapfiles[index].c_str();
   //info("loading file _%s_ from index %d, text _%s_\n", cmapfiles[index].c_str(), index, cmapch->text(cmapch->value()));
   pixel **image;
   pixval maxval;
   int rows, cols;