relation "pg_stat_statements" does not exist at character 502

==> /var/log/gitlab/postgresql/current <==
2017-06-12_12:53:11.64351 ERROR:  relation "pg_stat_statements" does not exist at character 502
2017-06-12_12:53:11.64356 STATEMENT:  SELECT
2017-06-12_12:53:11.64357 	  pg_authid.rolname as user,
2017-06-12_12:53:11.64357 	  pg_database.datname as database,
2017-06-12_12:53:11.64357 	  pg_stat_statements.queryid,
2017-06-12_12:53:11.64357 	  left(pg_stat_statements.query,250) as query,
2017-06-12_12:53:11.64357 	  pg_stat_statements.calls,
2017-06-12_12:53:11.64357 	  pg_stat_statements.total_time as time_milliseconds,
2017-06-12_12:53:11.64357 	  pg_stat_statements.rows,
2017-06-12_12:53:11.64358 	  pg_stat_statements.shared_blks_hit,
2017-06-12_12:53:11.64358 	  pg_stat_statements.shared_blks_read,
2017-06-12_12:53:11.64358 	  pg_stat_statements.shared_blks_dirtied,
2017-06-12_12:53:11.64358 	  pg_stat_statements.shared_blks_written,
2017-06-12_12:53:11.64358 	  pg_stat_statements.temp_blks_read,
2017-06-12_12:53:11.64358 	  pg_stat_statements.temp_blks_written
2017-06-12_12:53:11.64358 	  FROM pg_stat_statements
2017-06-12_12:53:11.64358 	  JOIN pg_authid
2017-06-12_12:53:11.64359 	    ON pg_authid.oid = pg_stat_statements.userid
2017-06-12_12:53:11.64359 	  JOIN pg_database
2017-06-12_12:53:11.64359 	    ON pg_database.oid = pg_stat_statements.dbid
2017-06-12_12:53:11.64359

Introduced with https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/1545