diff --git a/src/Database/Validator/Structure.php b/src/Database/Validator/Structure.php
index 14223b1a5..9ea6d13b2 100644
--- a/src/Database/Validator/Structure.php
+++ b/src/Database/Validator/Structure.php
@@ -244,6 +244,10 @@ public function isValid($document): bool
                 continue;
             }
 
+            if($type === Database::VAR_RELATIONSHIP) {
+                continue;
+            }
+
             switch ($type) {
                 case Database::VAR_STRING:
                     $size = $attribute['size'] ?? 0;
@@ -266,8 +270,6 @@ public function isValid($document): bool
                     $validator = new DatetimeValidator();
                     break;
 
-                case Database::VAR_RELATIONSHIP:
-                    return true;
                 default:
                     $this->message = 'Unknown attribute type "'.$type.'"';
                     return false;