diff --git a/mod/workshop/mod_form.php b/mod/workshop/mod_form.php
index 12d0b672b82..7ee8cdcd1a9 100644
--- a/mod/workshop/mod_form.php
+++ b/mod/workshop/mod_form.php
@@ -370,8 +370,7 @@ class mod_workshop_mod_form extends moodleform_mod {
                     // gradecategory and gradinggradecategory - grrr QuickForms
                     $decimalpoints = $gradeitem->get_decimals();
                     if ($gradeitem->itemnumber == 0) {
-                        $submissiongradepass = $mform->getElement('submissiongradepass');
-                        $submissiongradepass->setValue(format_float($gradeitem->gradepass, $decimalpoints));
+                        $mform->setDefault('submissiongradepass', format_float($gradeitem->gradepass, $decimalpoints));
                         $group = $mform->getElement('submissiongradegroup');
                         $elements = $group->getElements();
                         foreach ($elements as $element) {
@@ -380,8 +379,7 @@ class mod_workshop_mod_form extends moodleform_mod {
                             }
                         }
                     } else if ($gradeitem->itemnumber == 1) {
-                        $gradinggradepass = $mform->getElement('gradinggradepass');
-                        $gradinggradepass->setValue(format_float($gradeitem->gradepass, $decimalpoints));
+                        $mform->setDefault('gradinggradepass', format_float($gradeitem->gradepass, $decimalpoints));
                         $group = $mform->getElement('gradinggradegroup');
                         $elements = $group->getElements();
                         foreach ($elements as $element) {
diff --git a/mod/workshop/tests/behat/grade_to_pass.feature b/mod/workshop/tests/behat/grade_to_pass.feature
index a11d811d8a4..1a5724b5d57 100644
--- a/mod/workshop/tests/behat/grade_to_pass.feature
+++ b/mod/workshop/tests/behat/grade_to_pass.feature
@@ -29,6 +29,22 @@ Feature: Setting grades to pass via workshop editing form
     And the field "Submission grade to pass" matches value "45.00"
     And the field "Assessment grade to pass" matches value "10.50"
 
+  @javascript
+  Scenario: Grade to pass kept even with submission types without online text (MDL-64862)
+    Given I log in as "teacher1"
+    And I am on "Course1" course homepage with editing mode on
+    When I add a "Workshop" to section "1" and I fill the form with:
+      | Workshop name               | Another workshop            |
+      | Description                 | Grades to pass are set here |
+      | Submission grade to pass    | 42                          |
+      | Assessment grade to pass    | 10.1                        |
+      | submissiontypetextavailable | 0                           |
+    Then I should not see "Adding a new Workshop"
+    And I follow "Another workshop"
+    And I navigate to "Edit settings" in current page administration
+    And the field "Submission grade to pass" matches value "42.00"
+    And the field "Assessment grade to pass" matches value "10.10"
+
   Scenario: Adding a new workshop with grade to pass fields left empty
     Given I log in as "teacher1"
     And I am on "Course1" course homepage with editing mode on