diff --git a/phpBB/phpbb/db/migration/data/v31x/increase_size_of_emotion.php b/phpBB/phpbb/db/migration/data/v31x/increase_size_of_emotion.php
new file mode 100644
index 0000000000..7e486aca7c
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v31x/increase_size_of_emotion.php
@@ -0,0 +1,46 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\db\migration\data\v31x;
+
+class increase_size_of_emotion  extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v31x\v3110',
+		);
+	}
+
+	public function update_schema()
+	{
+		return array(
+			'change_columns' => array(
+				$this->table_prefix . 'smilies' => array(
+					'emotion'	=> array('VCHAR_UNI', ''),
+				),
+			),
+		);
+	}
+
+	public function revert_schema()
+	{
+		return array(
+			'change_columns' => array(
+				$this->table_prefix . 'smilies' => array(
+					'emotion'	=> array('VCHAR_UNI:50', ''),
+				),
+			),
+		);
+	}
+}