diff --git a/internal/runner/nomad_manager.go b/internal/runner/nomad_manager.go
index 7e627f2..6c418e7 100644
--- a/internal/runner/nomad_manager.go
+++ b/internal/runner/nomad_manager.go
@@ -154,7 +154,7 @@ func (m *NomadRunnerManager) onAllocationAdded(alloc *nomadApi.Allocation, start
 
 func monitorAllocationStartupDuration(startup time.Duration, runnerID string, environmentID dto.EnvironmentID) {
 	p := influxdb2.NewPointWithMeasurement(monitoring.MeasurementIdleRunnerNomad)
-	p.AddField(monitoring.InfluxKeyDuration, startup)
+	p.AddField(monitoring.InfluxKeyDuration, startup.Nanoseconds())
 	p.AddTag(monitoring.InfluxKeyEnvironmentID, environmentID.ToString())
 	p.AddTag(monitoring.InfluxKeyRunnerID, runnerID)
 	monitoring.WriteInfluxPoint(p)