diff --git a/phpBB/includes/functions_content.php b/phpBB/includes/functions_content.php
index 2f81c0db8d..941b2eb246 100644
--- a/phpBB/includes/functions_content.php
+++ b/phpBB/includes/functions_content.php
@@ -324,7 +324,7 @@ function bump_topic_allowed($forum_id, $topic_bumped, $last_post_time, $topic_po
 *
 * @return	string			Context of the specified words separated by "..."
 */
-function get_context($text, $words, $length = 400)
+function get_context(string $text, array $words, int $length = 400)
 {
 	// first replace all whitespaces with single spaces
 	$text = preg_replace('/ +/', ' ', strtr($text, "\t\n\r\x0C ", '     '));