diff --git a/phpBB/language/en/migrator.php b/phpBB/language/en/migrator.php
index 5fdee79365..e5d7eff609 100644
--- a/phpBB/language/en/migrator.php
+++ b/phpBB/language/en/migrator.php
@@ -77,6 +77,6 @@ $lang = array_merge($lang, array(
 	'PARENT_MODULE_FIND_ERROR'			=> 'Unable to determine the parent module identifier: %s',
 	'PERMISSION_NOT_EXIST'				=> 'The permission setting "%s" unexpectedly does not exist.',
 
+	'ROLE_ASSIGNED_NOT_EXIST'			=> 'The permission role assigned to group "%1$s" unexpectedly does not exist. Role id: "%2$s"',
 	'ROLE_NOT_EXIST'					=> 'The permission role "%s" unexpectedly does not exist.',
-	'ROLE_NOT_EXIST_ASSIGNED'			=> 'The permission role assigned to group "%1$s" unexpectedly does not exist. Role id: "%2$s"',
 ));
diff --git a/phpBB/phpbb/db/migration/tool/permission.php b/phpBB/phpbb/db/migration/tool/permission.php
index 8c86d0b7f2..66ca2ed0ee 100644
--- a/phpBB/phpbb/db/migration/tool/permission.php
+++ b/phpBB/phpbb/db/migration/tool/permission.php
@@ -492,7 +492,7 @@ class permission implements \phpbb\db\migration\tool\tool_interface
 					$role_data = $this->db->sql_fetchrow();
 					if (!$role_data)
 					{
-						throw new \phpbb\db\migration\exception('ROLE_NOT_EXIST_ASSIGNED', $name, $role_id);
+						throw new \phpbb\db\migration\exception('ROLE_ASSIGNED_NOT_EXIST', $name, $role_id);
 					}
 
 					$role_name = $role_data['role_name'];
@@ -643,7 +643,7 @@ class permission implements \phpbb\db\migration\tool\tool_interface
 					$role_name = $this->db->sql_fetchfield('role_name');
 					if (!$role_name)
 					{
-						throw new \phpbb\db\migration\exception('ROLE_NOT_EXIST_ASSIGNED', $name, $role_id);
+						throw new \phpbb\db\migration\exception('ROLE_ASSIGNED_NOT_EXIST', $name, $role_id);
 					}
 
 					return $this->permission_unset($role_name, $auth_option, 'role');