--- stastspro_views_handler_field_graph_trend.inc	2009-04-24 15:34:59.000000000 +0200
+++ stastspro_views_handler_field_graph_trend.inc	2009-04-24 15:35:10.000000000 +0200
@@ -7,7 +7,7 @@
  *
  */
 
-require 'stastspro_views_handler_field_graph.inc';
+require_once './'. drupal_get_path('module', 'statspro') .'/views/stastspro_views_handler_field_graph.inc';
 
 class stastspro_views_handler_field_graph_trend extends stastspro_views_handler_field_graph {