1 files changed, 1 insertions, 2 deletions
diff --git a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/persistence/RunSerializer.java b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/persistence/RunSerializer.java
index dd28978d948..fcc6d99aec2 100644
--- a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/persistence/RunSerializer.java
+++ b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/persistence/RunSerializer.java
@@ -3,7 +3,6 @@ package com.yahoo.vespa.hosted.controller.persistence;
 
 import com.yahoo.component.Version;
 import com.yahoo.config.provision.ApplicationId;
-import com.yahoo.config.provision.SystemName;
 import com.yahoo.security.X509CertificateUtils;
 import com.yahoo.slime.ArrayTraverser;
 import com.yahoo.slime.Cursor;
@@ -214,7 +213,7 @@ class RunSerializer {
         run.sleepUntil().ifPresent(end -> runObject.setLong(sleepingUntilField, end.toEpochMilli()));
         runObject.setString(statusField, valueOf(run.status()));
         runObject.setLong(lastTestRecordField, run.lastTestLogEntry());
-        runObject.setLong(lastVespaLogTimestampField, Instant.EPOCH.until(run.lastVespaLogTimestamp(), ChronoUnit.MICROS));
+        if (run.lastVespaLogTimestamp().isAfter(Instant.EPOCH)) runObject.setLong(lastVespaLogTimestampField, Instant.EPOCH.until(run.lastVespaLogTimestamp(), ChronoUnit.MICROS));
         run.noNodesDownSince().ifPresent(noNodesDownSince -> runObject.setLong(noNodesDownSinceField, noNodesDownSince.toEpochMilli()));
         run.convergenceSummary().ifPresent(convergenceSummary -> toSlime(convergenceSummary, runObject.setArray(convergenceSummaryField)));
         run.testerCertificate().ifPresent(certificate -> runObject.setString(testerCertificateField, X509CertificateUtils.toPem(certificate)));