diff --git a/plugins/moodle/moodle_files.php b/plugins/moodle/moodle_files.php
index dedd897a..cdf6c978 100644
--- a/plugins/moodle/moodle_files.php
+++ b/plugins/moodle/moodle_files.php
@@ -119,7 +119,7 @@ echo "graph_title Moodle Files Size\n";
 echo "graph_args --base 1024 --lower-limit 0\n";
 echo "graph_vlabel size\n";
 echo "graph_category Moodle\n";
-echo "graph_scale no\n";
+echo "graph_scale yes\n";
 echo "graph_total total\n";
 echo "graph_info Displays the total size of moodle users files and repartition by type\n";