1 files changed, 1 insertions, 1 deletions
diff --git a/lib/models/Courseware/StructuralElement.php b/lib/models/Courseware/StructuralElement.php
index 3cfca28..72fa2fe 100644
--- a/lib/models/Courseware/StructuralElement.php
+++ b/lib/models/Courseware/StructuralElement.php
@@ -867,7 +867,7 @@ SQL;
         return $element;
     }
 
-    private function copyImage(User $user, StructuralElement $parent) : ?string
+    private function copyImage(User $user, StructuralElement $parent): ?string
     {
         $file_ref_id = null;