diff --git a/src/Option/Type/PaperDbSelect.php b/src/Option/Type/PaperDbSelect.php
index e78d09c..c85f3ca 100644
--- a/src/Option/Type/PaperDbSelect.php
+++ b/src/Option/Type/PaperDbSelect.php
@@ -13,6 +13,9 @@ class PaperDbSelect extends Select
         /** @var PaperOpt $option */
         $option = $this->getSelectedOption();
 
+        if($option == null) {
+            return [];
+        }
         /** @var Paper $paper */
         $paper = $option->getPaper();