diff --git a/DataStorage/Database/Query/Grammar/Grammar.php b/DataStorage/Database/Query/Grammar/Grammar.php
index ee91de52c..05638e286 100644
--- a/DataStorage/Database/Query/Grammar/Grammar.php
+++ b/DataStorage/Database/Query/Grammar/Grammar.php
@@ -119,6 +119,8 @@ class Grammar extends GrammarAbstract
                 return $this->deleteComponents;
             case QueryType::RANDOM:
                 return $this->randomComponents;
+            case queryType::NONE:
+                return [];
             default:
                 throw new \InvalidArgumentException('Unknown query type.');
         }