diff --git a/src/Eccube/Doctrine/ORM/Query/Normalize.php b/src/Eccube/Doctrine/ORM/Query/Normalize.php
index b7a341e0afa..b731be77901 100644
--- a/src/Eccube/Doctrine/ORM/Query/Normalize.php
+++ b/src/Eccube/Doctrine/ORM/Query/Normalize.php
@@ -21,7 +21,7 @@
 class Normalize extends FunctionNode
 {
     protected $string;
-    public const FROM = 'あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやゆよらりるれろわをんがぎぐげござじずぜぞだぢづでどばびぶべぼぱぴぷぺぽぁぃぅぇぉっゃゅょわいえー';
+    public const FROM = 'あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやゆよらりるれろわをんがぎぐげござじずぜぞだぢづでどばびぶべぼぱぴぷぺぽぁぃぅぇぉっゃゅょゎゐゑー';
     public const TO = 'アイウエオカキクケコサシスセソタチツテトナニヌネノハヒフヘホマミムメモヤユヨラリルレロワヲンガギグゲゴザジズゼゾダヂヅデドバビブベボパピプペポァィゥェォッャュョヮヰヱー';
 
     public function parse(Parser $parser)
diff --git a/tests/Eccube/Tests/Doctrine/ORM/Query/NormalizeTest.php b/tests/Eccube/Tests/Doctrine/ORM/Query/NormalizeTest.php
new file mode 100644
index 00000000000..07375721141
--- /dev/null
+++ b/tests/Eccube/Tests/Doctrine/ORM/Query/NormalizeTest.php
@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of EC-CUBE
+ *
+ * Copyright(c) EC-CUBE CO.,LTD. All Rights Reserved.
+ *
+ * http://www.ec-cube.co.jp/
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+ namespace Eccube\Tests\Doctrine\ORM\Query;
+
+use Eccube\Tests\EccubeTestCase;
+
+class NormalizeTest extends EccubeTestCase
+{
+    public function testGetSql()
+    {
+        $sql = $this->entityManager->createQueryBuilder()
+            ->select('p.id')->from('Eccube\Entity\Product', 'p')
+            ->where('NORMALIZE(p.name) LIKE :name')
+            ->getQuery()->getSql();
+        switch ($this->entityManager->getConnection()->getDriver()->getDatabasePlatform()->getName())
+        {
+            case 'postgresql':
+                $this->assertStringContainsString('LOWER(TRANSLATE(', $sql);
+                $this->assertStringContainsString('あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやゆよらりるれろわをんがぎぐげござじずぜぞだぢづでどばびぶべぼぱぴぷぺぽぁぃぅぇぉっゃゅょゎゐゑー', $sql);
+                $this->assertStringContainsString('アイウエオカキクケコサシスセソタチツテトナニヌネノハヒフヘホマミムメモヤユヨラリルレロワヲンガギグゲゴザジズゼゾダヂヅデドバビブベボパピプペポァィゥェォッャュョヮヰヱー', $sql);
+                break;
+            case 'mysql':
+                $this->assertStringContainsString('CONVERT(', $sql);
+                $this->assertStringContainsString('USING utf8) COLLATE utf8_unicode_ci', $sql);
+                break;
+            case 'sqlite':
+                $this->assertStringContainsString('LOWER(', $sql);
+                break;
+        }
+    }
+}