diff --git a/grade/report/user/externallib.php b/grade/report/user/externallib.php
index 14e701d89d1..21c13990545 100644
--- a/grade/report/user/externallib.php
+++ b/grade/report/user/externallib.php
@@ -513,7 +513,7 @@ class gradereport_user_external extends external_api {
                                         'gradeishidden' => new external_value(PARAM_BOOL, 'Grade is hidden?', VALUE_OPTIONAL),
                                         'gradeislocked' => new external_value(PARAM_BOOL, 'Grade is locked?', VALUE_OPTIONAL),
                                         'gradeisoverridden' => new external_value(PARAM_BOOL, 'Grade overridden?', VALUE_OPTIONAL),
-                                        'gradeformatted' => new external_value(PARAM_NOTAGS, 'The grade formatted', VALUE_OPTIONAL),
+                                        'gradeformatted' => new external_value(PARAM_RAW, 'The grade formatted', VALUE_OPTIONAL),
                                         'grademin' => new external_value(PARAM_FLOAT, 'Grade min', VALUE_OPTIONAL),
                                         'grademax' => new external_value(PARAM_FLOAT, 'Grade max', VALUE_OPTIONAL),
                                         'rangeformatted' => new external_value(PARAM_NOTAGS, 'Range formatted', VALUE_OPTIONAL),