diff --git a/app/Http/Controllers/ResourceController.php b/app/Http/Controllers/ResourceController.php
index 2e116d5..181c328 100644
--- a/app/Http/Controllers/ResourceController.php
+++ b/app/Http/Controllers/ResourceController.php
@@ -38,7 +38,7 @@ class ResourceController extends Controller
     }
     WHERE {
         <{$request->resourceUri}> ?p ?o .
-        ?s ?ip <{$request->resourceUri}> .
+        OPTIONAL { ?s ?ip <{$request->resourceUri}> . }
     }
 EOT;
         return $client->query($query);
diff --git a/config/app.php b/config/app.php
index e3dc66a..c530c41 100644
--- a/config/app.php
+++ b/config/app.php
@@ -2,7 +2,7 @@
 
 return [
 
-    'version' => '1.2.0',
+    'version' => '1.2.1',
 
     /*
     |--------------------------------------------------------------------------