1 files changed, 2 insertions, 2 deletions
diff --git a/lib/classes/JsonApi/Schemas/Courseware/Unit.php b/lib/classes/JsonApi/Schemas/Courseware/Unit.php
index a1c554e..7a0bf4e 100644
--- a/lib/classes/JsonApi/Schemas/Courseware/Unit.php
+++ b/lib/classes/JsonApi/Schemas/Courseware/Unit.php
@@ -53,7 +53,7 @@ class Unit extends SchemaProvider
             ]
             : [self::RELATIONSHIP_DATA => null];
 
-        $relationships[self::REL_STRUCTURAL_ELEMENT] = $resource['structural_element_id']
+        $relationships[self::REL_STRUCTURAL_ELEMENT] = $resource->structural_element
             ? [
                 self::RELATIONSHIP_LINKS => [
                     Link::RELATED => $this->createLinkToResource($resource->structural_element),
@@ -76,4 +76,4 @@ class Unit extends SchemaProvider
 
         return $relationships;
     }
-}
-\ No newline at end of file
+}