--- a/server/src/app/Models/Document.php	Wed Feb 03 00:40:35 2016 +0100
+++ b/server/src/app/Models/Document.php	Wed Feb 03 18:34:44 2016 +0100
@@ -55,7 +55,10 @@
 
     public function getId() {
         if(is_null($this->id)) {
-            $this->id = CocoonUtils::getIdFromCorpusUri($this->uri);
+            $this->id = $this->getProvidedCHO()->get('<http://purl.org/dc/terms/identifier>');
+            if(is_null($this->id)) {
+                $this->id = CocoonUtils::getIdFromCorpusUri($this->uri);
+            }
         }
         return $this->id;
     }