diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 0316f6e..00763e5 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2102,7 +2102,7 @@
 
 	WARN_ON(cfqq->ioprio >= IOPRIO_BE_NR);
 
-	return 2 * (base_rq + base_rq * (CFQ_PRIO_LISTS - 1 - cfqq->ioprio));
+	return 2 * base_rq * (IOPRIO_BE_NR - cfqq->ioprio);
 }
 
 /*