diff --git a/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php b/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
index 3c502e3d7..f94d79e96 100644
--- a/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
+++ b/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
@@ -345,9 +345,12 @@ class BasicEntityPersister implements EntityPersister
              . ' WHERE ' . implode(' = ? AND ', $identifier) . ' = ?';
 
         $types = [];
-        foreach ($identifier as $fieldName) {
-            $types[] = $versionedClass->fieldMappings[$fieldName]['type'];
+        foreach ($id as $field => $value) {
+            foreach ($this->getTypes($field, $value, $versionedClass) as $type) {
+                $types[] = $type;
+            }
         }
+
         $flatId = $this->identifierFlattener->flattenIdentifier($versionedClass, $id);
 
         $value = $this->conn->fetchColumn($sql, array_values($flatId), 0, $types);