diff --git a/Controller/RegistrationAddController.php b/Controller/RegistrationAddController.php
index c4ea62e..73b4a64 100644
--- a/Controller/RegistrationAddController.php
+++ b/Controller/RegistrationAddController.php
@@ -115,6 +115,7 @@ public function add() {
 
 		// 過去データ 取り出し
 		$conditions = Hash::remove($this->Registration->getBaseCondition(), 'block_id');
+		unset($conditions['Registration.block_id']);
 		$conditions['Block.room_id'] = Current::read('Room.id');
 		$pastRegistrations = $this->Registration->find('all',
 			array(
diff --git a/Model/ActionRegistrationAdd.php b/Model/ActionRegistrationAdd.php
index 262346c..b630e0e 100644
--- a/Model/ActionRegistrationAdd.php
+++ b/Model/ActionRegistrationAdd.php
@@ -139,6 +139,7 @@ public function checkPastRegistration($check) {
 			'Registration.id' => $check['past_registration_id']
 		));
 		unset($baseCondition['block_id']);
+		unset($baseCondition['Registration.block_id']);
 		$cnt = $this->Registration->find('count', array(
 			'conditions' => $baseCondition,
 			'recursive' => -1
@@ -258,11 +259,11 @@ protected function _getRegistrationCloneById($registrationId) {
 		return $registration;
 	}
 /**
- * _copyWysiwygFiles 
- * 
+ * _copyWysiwygFiles
+ *
  * 引数で指定された登録フォームの中を分析し、
  * ウィジウィグに設定されているファイルは複製を作ります
- * 
+ *
  * @param array $registration 登録フォームデータ
  * @return array $registration 複製を作り終えた登録フォームデータ
  */