diff --git a/grade/grading/form/rubric/backup/moodle2/backup_gradingform_rubric_plugin.class.php b/grade/grading/form/rubric/backup/moodle2/backup_gradingform_rubric_plugin.class.php
index 945d6f82f4302..78741ec2a576f 100644
--- a/grade/grading/form/rubric/backup/moodle2/backup_gradingform_rubric_plugin.class.php
+++ b/grade/grading/form/rubric/backup/moodle2/backup_gradingform_rubric_plugin.class.php
@@ -107,7 +107,7 @@ protected function define_instance_plugin_structure() {
         // Set sources to populate the data
 
         $filling->set_source_table('gradingform_rubric_fillings',
-            array('forminstanceid' => backup::VAR_PARENTID));
+            array('instanceid' => backup::VAR_PARENTID));
 
         // no need to annotate ids or files yet (one day when remark field supports
         // embedded fileds, they must be annotated here)
diff --git a/grade/grading/form/rubric/backup/moodle2/restore_gradingform_rubric_plugin.class.php b/grade/grading/form/rubric/backup/moodle2/restore_gradingform_rubric_plugin.class.php
index 643607e38d10d..62b5c96d9da70 100644
--- a/grade/grading/form/rubric/backup/moodle2/restore_gradingform_rubric_plugin.class.php
+++ b/grade/grading/form/rubric/backup/moodle2/restore_gradingform_rubric_plugin.class.php
@@ -105,7 +105,7 @@ public function process_gradinform_rubric_filling($data) {
         global $DB;
 
         $data = (object)$data;
-        $data->forminstanceid = $this->get_new_parentid('grading_instance');
+        $data->instanceid = $this->get_new_parentid('grading_instance');
         $data->criterionid = $this->get_mappingid('gradingform_rubric_criterion', $data->criterionid);
         $data->levelid = $this->get_mappingid('gradingform_rubric_level', $data->levelid);
 
diff --git a/grade/grading/form/rubric/db/install.xml b/grade/grading/form/rubric/db/install.xml
index 09edf0e04f031..01ea46e397176 100644
--- a/grade/grading/form/rubric/db/install.xml
+++ b/grade/grading/form/rubric/db/install.xml
@@ -32,18 +32,18 @@
     </TABLE>
     <TABLE NAME="gradingform_rubric_fillings" COMMENT="Stores the data of how the rubric is filled by a particular rater" PREVIOUS="gradingform_rubric_levels">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="forminstanceid"/>
-        <FIELD NAME="forminstanceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The ID of the grading form instance" PREVIOUS="id" NEXT="criterionid"/>
-        <FIELD NAME="criterionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The ID of the criterion (row) in the rubric" PREVIOUS="forminstanceid" NEXT="levelid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="instanceid"/>
+        <FIELD NAME="instanceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The ID of the grading form instance" PREVIOUS="id" NEXT="criterionid"/>
+        <FIELD NAME="criterionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The ID of the criterion (row) in the rubric" PREVIOUS="instanceid" NEXT="levelid"/>
         <FIELD NAME="levelid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If a particular level was selected during the assessment, its ID is stored here" PREVIOUS="criterionid" NEXT="remark"/>
         <FIELD NAME="remark" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="Side note feedback regarding this particular criterion" PREVIOUS="levelid" NEXT="remarkformat"/>
         <FIELD NAME="remarkformat" TYPE="int" LENGTH="2" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The format of the remark field" PREVIOUS="remark"/>
       </FIELDS>
       <KEYS>
-        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="fk_forminstanceid"/>
-        <KEY NAME="fk_forminstanceid" TYPE="foreign" FIELDS="forminstanceid" REFTABLE="grading_instances" REFFIELDS="id" PREVIOUS="primary" NEXT="fk_criterionid"/>
-        <KEY NAME="fk_criterionid" TYPE="foreign" FIELDS="criterionid" REFTABLE="gradingform_rubric_criteria" REFFIELDS="id" PREVIOUS="fk_forminstanceid" NEXT="uq_instance_criterion"/>
-        <KEY NAME="uq_instance_criterion" TYPE="unique" FIELDS="forminstanceid, criterionid" PREVIOUS="fk_criterionid"/>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="fk_instanceid"/>
+        <KEY NAME="fk_instanceid" TYPE="foreign" FIELDS="instanceid" REFTABLE="grading_instances" REFFIELDS="id" PREVIOUS="primary" NEXT="fk_criterionid"/>
+        <KEY NAME="fk_criterionid" TYPE="foreign" FIELDS="criterionid" REFTABLE="gradingform_rubric_criteria" REFFIELDS="id" PREVIOUS="fk_instanceid" NEXT="uq_instance_criterion"/>
+        <KEY NAME="uq_instance_criterion" TYPE="unique" FIELDS="instanceid, criterionid" PREVIOUS="fk_criterionid"/>
       </KEYS>
       <INDEXES>
         <INDEX NAME="ix_levelid" UNIQUE="false" FIELDS="levelid" COMMENT="levelid acts as a foreign key but null values are allowed"/>
diff --git a/grade/grading/form/rubric/lib.php b/grade/grading/form/rubric/lib.php
index 509894db5072f..ec43cac09e72f 100644
--- a/grade/grading/form/rubric/lib.php
+++ b/grade/grading/form/rubric/lib.php
@@ -472,7 +472,7 @@ protected function delete_plugin_definition() {
         // get the list of instances
         $instances = array_keys($DB->get_records('grading_instances', array('definitionid' => $this->definition->id), '', 'id'));
         // delete all fillings
-        $DB->delete_records_list('gradingform_rubric_fillings', 'forminstanceid', $instances);
+        $DB->delete_records_list('gradingform_rubric_fillings', 'instanceid', $instances);
         // delete instances
         $DB->delete_records_list('grading_instances', 'id', $instances);
         // get the list of criteria records
@@ -585,7 +585,7 @@ class gradingform_rubric_instance extends gradingform_instance {
     public function cancel() {
         global $DB;
         parent::cancel();
-        $DB->delete_records('gradingform_rubric_fillings', array('forminstanceid' => $this->get_id()));
+        $DB->delete_records('gradingform_rubric_fillings', array('instanceid' => $this->get_id()));
     }
 
     /**
@@ -601,7 +601,7 @@ public function copy($raterid, $itemid) {
         $instanceid = parent::copy($raterid, $itemid);
         $currentgrade = $this->get_rubric_filling();
         foreach ($currentgrade['criteria'] as $criterionid => $record) {
-            $params = array('forminstanceid' => $instanceid, 'criterionid' => $criterionid,
+            $params = array('instanceid' => $instanceid, 'criterionid' => $criterionid,
                 'levelid' => $record['levelid'], 'remark' => $record['remark'], 'remarkformat' => $record['remarkformat']);
             $DB->insert_record('gradingform_rubric_fillings', $params);
         }
@@ -635,7 +635,7 @@ public function validate_grading_element($elementvalue) {
     public function get_rubric_filling($force = false) {
         global $DB;
         if ($this->rubric === null || $force) {
-            $records = $DB->get_records('gradingform_rubric_fillings', array('forminstanceid' => $this->get_id()));
+            $records = $DB->get_records('gradingform_rubric_fillings', array('instanceid' => $this->get_id()));
             $this->rubric = array('criteria' => array());
             foreach ($records as $record) {
                 $this->rubric['criteria'][$record->criterionid] = (array)$record;
@@ -657,7 +657,7 @@ public function update($data) {
         parent::update($data);
         foreach ($data['criteria'] as $criterionid => $record) {
             if (!array_key_exists($criterionid, $currentgrade['criteria'])) {
-                $newrecord = array('forminstanceid' => $this->get_id(), 'criterionid' => $criterionid,
+                $newrecord = array('instanceid' => $this->get_id(), 'criterionid' => $criterionid,
                     'levelid' => $record['levelid'], 'remarkformat' => FORMAT_MOODLE);
                 if (isset($record['remark'])) {
                     $newrecord['remark'] = $record['remark'];