diff --git a/datastore/domotik/core/application.go b/datastore/domotik/core/application.go
index 1c915ae..e4f26b6 100644
--- a/datastore/domotik/core/application.go
+++ b/datastore/domotik/core/application.go
@@ -30,10 +30,24 @@ func (a *Application) Process(presenter port.SummarizePresenter) error {
 	if a.measure.HasNewIndex() {
 
 		t := time.Now()
+		now := t.Unix()
+
 		a.state.ProcessNewDay(t)
 		a.state.ProcessNewHour(t)
 
-		output := a.summarizeSince(t.Unix())
+		consumptionSinceLastTime, minutesSinceTheLastIndice := a.state.GetConsumptionSinceLastTime(now, a.measure.GetLastIndex())
+		a.state.LastIndiceTS = now
+		a.state.IncHourlyConsumption(consumptionSinceLastTime)
+		a.state.IncDailyConsumption(consumptionSinceLastTime, a.measure.IsLowTariff())
+
+		output := *dto.NewOutput(
+			a.state.DailySumLow,
+			a.state.DailySumHigh,
+			a.state.HourlySum,
+			a.state.HourlyNbIndices,
+			consumptionSinceLastTime,
+			minutesSinceTheLastIndice)
+
 		if err := presenter.Present(output); err != nil {
 			return err
 		}
@@ -49,7 +63,15 @@ func (a *Application) Process(presenter port.SummarizePresenter) error {
 }
 
 func (a *Application) GetSummarize(presenter port.SummarizePresenter) error {
-	output := a.summarizeSince(a.state.LastIndiceTS)
+	consumptionSinceLastTime, minutesSinceTheLastIndice := a.state.GetConsumptionSinceLastTime(a.measure.GetLastTimestamp(), a.measure.GetLastIndex())
+	output := *dto.NewOutput(
+		a.state.DailySumLow,
+		a.state.DailySumHigh,
+		a.state.HourlySum,
+		a.state.HourlyNbIndices,
+		consumptionSinceLastTime,
+		minutesSinceTheLastIndice)
+
 	if err := presenter.Present(output); err != nil {
 		return err
 	}
@@ -75,24 +97,3 @@ func NewApplication(
 		logRepository:   logRepository,
 	}, nil
 }
-
-func (a *Application) summarizeSince(timestamp int64) dto.Output {
-
-	doChanges := a.state.LastIndiceTS < timestamp
-
-	consumptionSinceLastTime, minutesSinceTheLastIndice := a.state.GetConsumptionSinceLastTime(timestamp, a.measure.GetLastIndex())
-
-	if doChanges {
-		a.state.LastIndiceTS = timestamp
-		a.state.IncHourlyConsumption(consumptionSinceLastTime)
-		a.state.IncDailyConsumption(consumptionSinceLastTime, a.measure.IsLowTariff())
-	}
-
-	return *dto.NewOutput(
-		a.state.DailySumLow,
-		a.state.DailySumHigh,
-		a.state.HourlySum,
-		a.state.HourlyNbIndices,
-		consumptionSinceLastTime,
-		minutesSinceTheLastIndice)
-}
diff --git a/datastore/domotik/core/model/measure.entity.go b/datastore/domotik/core/model/measure.entity.go
index 133be32..1c5bae9 100644
--- a/datastore/domotik/core/model/measure.entity.go
+++ b/datastore/domotik/core/model/measure.entity.go
@@ -1,17 +1,21 @@
 package model
 
+import "time"
+
 type Measure struct {
 	lowTariff bool
 	index     int64
+	timestamp int64
 }
 
 func NewMeasure() *Measure {
-	return &Measure{lowTariff: false, index: 0}
+	return &Measure{lowTariff: false, index: 0, timestamp: 0}
 }
 
 func (i *Measure) UpdateFromLog(l Log) {
 	if l.name == "linky" && l.unit == "indice" {
 		i.index = int64(l.value)
+		i.timestamp = time.Now().Unix()
 	}
 	if l.name == "linky" && l.unit == "state" {
 		i.lowTariff = l.value == 0.0
@@ -30,6 +34,10 @@ func (i *Measure) GetLastIndex() int64 {
 	return i.index
 }
 
+func (i *Measure) GetLastTimestamp() int64 {
+	return i.timestamp
+}
+
 func (i *Measure) IsLowTariff() bool {
 	return i.lowTariff
 }