diff --git a/mod/assign/externallib.php b/mod/assign/externallib.php
index 00a055f..5839921 100644
--- a/mod/assign/externallib.php
+++ b/mod/assign/externallib.php
@@ -639,8 +639,8 @@ class mod_assign_external extends external_api {
                                                 array(
                                                     'name' => new external_value(PARAM_TEXT, 'field name'),
                                                     'description' => new external_value(PARAM_TEXT, 'field description'),
-                                                    'text' => new external_value (PARAM_TEXT, 'field value'),
-                                                    'format' => new external_value (PARAM_INT, 'field format')
+                                                    'text' => new external_value (PARAM_RAW, 'field value'),
+                                                    'format' => new external_format_value ('text')
                                                 )
                                             )
                                             , 'editorfields', VALUE_OPTIONAL
diff --git a/mod/assign/tests/externallib_test.php b/mod/assign/tests/externallib_test.php
index 3e8399f..6843af4 100644
--- a/mod/assign/tests/externallib_test.php
+++ b/mod/assign/tests/externallib_test.php
@@ -214,7 +214,7 @@ class mod_assign_external_testcase extends externallib_advanced_testcase {
         $submission->id = $sid;
 
         $onlinetextsubmission = new stdClass();
-        $onlinetextsubmission->onlinetext = "online test text";
+        $onlinetextsubmission->onlinetext = "<p>online test text</p>";
         $onlinetextsubmission->onlineformat = 1;
         $onlinetextsubmission->submission = $submission->id;
         $onlinetextsubmission->assignment = $assign1->id;