diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index cf511ec247..d150845952 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -2045,6 +2045,11 @@ function submit_post($mode, $subject, $username, $topic_type, &$poll_ary, &$data
 				continue;
 			}
 
+			if (preg_match('/[\x{10000}-\x{10FFFF}]/u', $attach_row['attach_comment']))
+			{
+				trigger_error('ATTACH_COMMENT_NO_EMOJIS');
+			}
+
 			if (!$attach_row['is_orphan'])
 			{
 				// update entry in db if attachment already stored in db and filespace
diff --git a/phpBB/language/en/posting.php b/phpBB/language/en/posting.php
index 9157f407dd..639b8d8370 100644
--- a/phpBB/language/en/posting.php
+++ b/phpBB/language/en/posting.php
@@ -43,6 +43,7 @@ $lang = array_merge($lang, array(
 	'ADD_POLL'					=> 'Poll creation',
 	'ADD_POLL_EXPLAIN'			=> 'If you do not want to add a poll to your topic leave the fields blank.',
 	'ALREADY_DELETED'			=> 'Sorry but this message is already deleted.',
+	'ATTACH_COMMENT_NO_EMOJIS'	=> 'The attachment comment contains forbidden characters (Emoji).',
 	'ATTACH_DISK_FULL'			=> 'There is not enough free disk space to post this attachment.',
 	'ATTACH_QUOTA_REACHED'		=> 'Sorry, the board attachment quota has been reached.',
 	'ATTACH_SIG'				=> 'Attach a signature (signatures can be altered via the UCP)',