diff --git a/search/engine/solr/settings.php b/search/engine/solr/settings.php
index 88ce5d8f4cd62..785144f26a5d7 100644
--- a/search/engine/solr/settings.php
+++ b/search/engine/solr/settings.php
@@ -56,7 +56,7 @@
                     new lang_string('fileindexing_help', 'search_solr'), 1));
             $settings->add(new admin_setting_configtext('search_solr/maxindexfilekb',
                     new lang_string('maxindexfilekb', 'search_solr'),
-                    new lang_string('maxindexfilekb_help', 'search_solr'), '20197152', PARAM_INT));
+                    new lang_string('maxindexfilekb_help', 'search_solr'), '2097152', PARAM_INT));
         }
     }
 }