diff --git a/admin/report/courseoverview/index.php b/admin/report/courseoverview/index.php
index 608041bfa2197..11819849bf9b8 100644
--- a/admin/report/courseoverview/index.php
+++ b/admin/report/courseoverview/index.php
@@ -82,7 +82,11 @@
             notify(get_string('statsnodata'));
 
         } else {
-            echo '<div align="center"><img src="'.$CFG->wwwroot.'/'.$CFG->admin.'/report/courseoverview/reportsgraph.php?time='.$time.'&report='.$report.'&numcourses='.$numcourses.'" /></div>';
+            if (empty($CFG->gdversion)) {
+                echo '<div align="center">(' . get_string("gdneed") .')</div>';
+            } else {
+                echo '<div align="center"><img src="'.$CFG->wwwroot.'/'.$CFG->admin.'/report/courseoverview/reportsgraph.php?time='.$time.'&report='.$report.'&numcourses='.$numcourses.'" /></div>';
+            }
 
             $table = new StdClass;
             $table->align = array('left','center','center','center');