Fixed another issue when updating albums during the update routine

app/ModelObservers/AlbumObserver.php

@@ -19,4 +19,18 @@ class AlbumObserver
             $album->generateUrlPath();
         }
     }
+
+    public function updating(Album $album)
+    {
+        // Re-generate the alias and path
+        if (is_null($album->url_alias))
+        {
+            $album->generateAlias();
+        }
+
+        if (is_null($album->url_path))
+        {
+            $album->generateUrlPath();
+        }
+    }
 }