diff --git a/src/go/pt-mongodb-query-digest/main.go b/src/go/pt-mongodb-query-digest/main.go
index dc87f8cd..2acd0cb0 100644
--- a/src/go/pt-mongodb-query-digest/main.go
+++ b/src/go/pt-mongodb-query-digest/main.go
@@ -427,15 +427,11 @@ func sortQueries(queries []stats.QueryStats, orderby []string) []stats.QueryStat
 
 		case "ratio":
 			f = func(c1, c2 *stats.QueryStats) bool {
-				ratio1 := c1.Scanned.Max / c1.Returned.Max
-				ratio2 := c2.Scanned.Max / c2.Returned.Max
-				return ratio1 < ratio2
+				return c1.Ratio < c2.Ratio
 			}
 		case "-ratio":
 			f = func(c1, c2 *stats.QueryStats) bool {
-				ratio1 := c1.Scanned.Max / c1.Returned.Max
-				ratio2 := c2.Scanned.Max / c2.Returned.Max
-				return ratio1 > ratio2
+				return c1.Ratio > c2.Ratio
 			}
 
 		//