diff --git a/cake/libs/model/model.php b/cake/libs/model/model.php index 405563343..db7f510c6 100644 --- a/cake/libs/model/model.php +++ b/cake/libs/model/model.php @@ -1080,7 +1080,7 @@ class Model extends Overloadable { } else { foreach ($this->_tableInfo->value as $key => $value) { if(in_array($this->primaryKey, $value)) { - if($this->_tableInfo->value[$key]['type'] === 'string' && $this->_tableInfo->value[$key]['length'] === 36) { + if (empty($this->data[$this->name][$this->primaryKey]) && $this->_tableInfo->value[$key]['type'] === 'string' && $this->_tableInfo->value[$key]['length'] === 36) { $fields[] = $this->primaryKey; $values[] = String::uuid(); }