diff --git a/src/main/java/picard/util/LiftOverIntervalList.java b/src/main/java/picard/util/LiftOverIntervalList.java
index 5d5f3f8dc..a78a4da7b 100644
--- a/src/main/java/picard/util/LiftOverIntervalList.java
+++ b/src/main/java/picard/util/LiftOverIntervalList.java
@@ -120,8 +120,7 @@ protected int doWork() {
             }
         }
 
-        toIntervals.sorted();
-        toIntervals.write(OUTPUT);
+        toIntervals.sorted().write(OUTPUT);
         return anyFailed ? 1 : 0;
     }
 }