1 files changed, 6 insertions, 5 deletions
diff --git a/fileacquirer/src/main/java/com/yahoo/filedistribution/fileacquirer/Timer.java b/fileacquirer/src/main/java/com/yahoo/filedistribution/fileacquirer/Timer.java
index b1ef519d901..e8c08edb621 100644
--- a/fileacquirer/src/main/java/com/yahoo/filedistribution/fileacquirer/Timer.java
+++ b/fileacquirer/src/main/java/com/yahoo/filedistribution/fileacquirer/Timer.java
@@ -1,6 +1,7 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.filedistribution.fileacquirer;
 
+import java.time.Duration;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -10,16 +11,16 @@ import java.util.concurrent.TimeUnit;
 class Timer {
     private final long endTime;
 
-    private long timeLeft() {
-        return endTime - System.currentTimeMillis();
+    private Duration timeLeft() {
+        return Duration.ofNanos(endTime - System.nanoTime());
     }
 
     public Timer(long timeout, TimeUnit timeUnit) {
-        endTime = System.currentTimeMillis() + timeUnit.toMillis(timeout);
+        endTime = System.nanoTime() + timeUnit.toNanos(timeout);
     }
 
     public long timeLeft(TimeUnit timeUnit) {
-        long remaining = timeUnit.convert(timeLeft(), TimeUnit.MILLISECONDS);
+        long remaining = timeUnit.convert(timeLeft().toMillis(), TimeUnit.MILLISECONDS);
 
         if (remaining > 0)
             return remaining;
@@ -28,6 +29,6 @@ class Timer {
     }
 
     public boolean isTimeLeft() {
-        return timeLeft() > 0;
+        return ! timeLeft().isNegative();
     }
 }