Order by count

I have a query that orders results by the count of another table:

"SELECT table1.*, COUNT(table2.id) AS rev_count FROM table1
LEFT JOIN table2 ON table1.name = table2.name
WHERE table1.active = 1 AND table1.city='$city'
GROUP BY table1.name
ORDER BY rev_count DESC";

How do you add a condition (ie WHERE active=1) to just the "COUNT(table2.id) AS rev_count" part of the query?

Code:

---

SELECT table1.*
    , COUNT(table2.id) AS rev_count
  FROM table1
LEFT
  JOIN table2
    ON table2.name = table1.name
  AND table2.active = 1
 WHERE table1.active = 1
  AND table1.city = '$city'
GROUP
    BY table1.name
ORDER
    BY rev_count DESC

---

Ah yes of course! Cheers!