diff --git a/mod/workshop/form/accumulative/backup/moodle2/restore_workshopform_accumulative_subplugin.class.php b/mod/workshop/form/accumulative/backup/moodle2/restore_workshopform_accumulative_subplugin.class.php
index 69e56c93ff5..dc2418b686a 100644
--- a/mod/workshop/form/accumulative/backup/moodle2/restore_workshopform_accumulative_subplugin.class.php
+++ b/mod/workshop/form/accumulative/backup/moodle2/restore_workshopform_accumulative_subplugin.class.php
@@ -112,7 +112,7 @@ class restore_workshopform_accumulative_subplugin extends restore_subplugin {
         $this->set_mapping($this->get_namefor('dimension'), $oldid, $newitemid, true);
 
         // Process files for this workshopform_accumulative->id only
-        $this->add_related_files('workshopform_accumulative', 'description', 'workshopform_accumulative', null, $oldid);
+        $this->add_related_files('workshopform_accumulative', 'description', $this->get_namefor('dimension'), null, $oldid);
     }
 
     /**
diff --git a/mod/workshop/form/comments/backup/moodle2/restore_workshopform_comments_subplugin.class.php b/mod/workshop/form/comments/backup/moodle2/restore_workshopform_comments_subplugin.class.php
index 8374ef0a7e6..d72d72de381 100644
--- a/mod/workshop/form/comments/backup/moodle2/restore_workshopform_comments_subplugin.class.php
+++ b/mod/workshop/form/comments/backup/moodle2/restore_workshopform_comments_subplugin.class.php
@@ -109,7 +109,7 @@ class restore_workshopform_comments_subplugin extends restore_subplugin {
         $this->set_mapping($this->get_namefor('dimension'), $oldid, $newitemid, true);
 
         // Process files for this workshopform_comments->id only
-        $this->add_related_files('workshopform_comments', 'description', 'workshopform_comments', null, $oldid);
+        $this->add_related_files('workshopform_comments', 'description', $this->get_namefor('dimension'), null, $oldid);
     }
 
     /**
diff --git a/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php b/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php
index 33a19c287cd..ce81fcb5eda 100644
--- a/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php
+++ b/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php
@@ -124,7 +124,7 @@ class restore_workshopform_numerrors_subplugin extends restore_subplugin {
         $this->set_mapping($this->get_namefor('dimension'), $oldid, $newitemid, true);
 
         // Process files for this workshopform_numerrors->id only
-        $this->add_related_files('workshopform_numerrors', 'description', 'workshopform_numerrors', null, $oldid);
+        $this->add_related_files('workshopform_numerrors', 'description', $this->get_namefor('dimension'), null, $oldid);
     }
 
     /**
diff --git a/mod/workshop/form/rubric/backup/moodle2/restore_workshopform_rubric_subplugin.class.php b/mod/workshop/form/rubric/backup/moodle2/restore_workshopform_rubric_subplugin.class.php
index 472af01a312..35b40006b32 100644
--- a/mod/workshop/form/rubric/backup/moodle2/restore_workshopform_rubric_subplugin.class.php
+++ b/mod/workshop/form/rubric/backup/moodle2/restore_workshopform_rubric_subplugin.class.php
@@ -128,7 +128,7 @@ class restore_workshopform_rubric_subplugin extends restore_subplugin {
         $this->set_mapping($this->get_namefor('dimension'), $oldid, $newitemid, true);
 
         // Process files for this workshopform_rubric->id only
-        $this->add_related_files('workshopform_rubric', 'description', 'workshopform_rubric', null, $oldid);
+        $this->add_related_files('workshopform_rubric', 'description', $this->get_namefor('dimension'), null, $oldid);
     }
 
     /**