diff --git a/phpBB/phpbb/search/fulltext_postgres.php b/phpBB/phpbb/search/fulltext_postgres.php
index cb50ce69f0..63caeffcc5 100644
--- a/phpBB/phpbb/search/fulltext_postgres.php
+++ b/phpBB/phpbb/search/fulltext_postgres.php
@@ -793,7 +793,7 @@ class fulltext_postgres extends \phpbb\search\base
 
 		if (!isset($this->stats['post_content']))
 		{
-			$this->db->sql_query("CREATE INDEX " . POSTS_TABLE . "_" . $this->config['fulltext_postgres_ts_name'] . "_post_content ON " . POSTS_TABLE . " USING gin (to_tsvector ('" . $this->db->sql_escape($this->config['fulltext_postgres_ts_name']) . "', post_subject || ' ' || post_text))");
+			$this->db->sql_query("CREATE INDEX " . POSTS_TABLE . "_" . $this->config['fulltext_postgres_ts_name'] . "_post_content ON " . POSTS_TABLE . " USING gin (to_tsvector ('" . $this->db->sql_escape($this->config['fulltext_postgres_ts_name']) . "', post_text || ' ' || post_subject))");
 		}
 
 		$this->db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);