diff --git a/internal/runner/nomad_manager.go b/internal/runner/nomad_manager.go
index 6c418e7..7ffc23f 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.Nanoseconds())
+	p.AddField(monitoring.InfluxKeyStartupDuration, startup.Nanoseconds())
 	p.AddTag(monitoring.InfluxKeyEnvironmentID, environmentID.ToString())
 	p.AddTag(monitoring.InfluxKeyRunnerID, runnerID)
 	monitoring.WriteInfluxPoint(p)
diff --git a/pkg/monitoring/influxdb2_middleware.go b/pkg/monitoring/influxdb2_middleware.go
index 58fd37c..6fc4239 100644
--- a/pkg/monitoring/influxdb2_middleware.go
+++ b/pkg/monitoring/influxdb2_middleware.go
@@ -34,6 +34,7 @@ const (
 	InfluxKeyRunnerID                      = "runner_id"
 	InfluxKeyEnvironmentID                 = "environment_id"
 	InfluxKeyDuration                      = "duration"
+	InfluxKeyStartupDuration               = "startup_" + InfluxKeyDuration
 	influxKeyEnvironmentPrewarmingPoolSize = "prewarming_pool_size"
 	influxKeyRequestSize                   = "request_size"
 )