diff --git a/core/loadpoint_session.go b/core/loadpoint_session.go
index 31e3214ad..0f0bb49a5 100644
--- a/core/loadpoint_session.go
+++ b/core/loadpoint_session.go
@@ -126,6 +126,9 @@ func (lp *Loadpoint) resetHeatingSession() {
 	if cr, ok := lp.chargeRater.(wrapper.ChargeResetter); ok {
 		cr.ResetCharge()
 	}
+	if ct, ok := lp.chargeRater.(wrapper.ChargeResetter); ok {
+		ct.ResetCharge()
+	}
 
 	lp.createSession()
 }
diff --git a/core/wrapper/chargetimer.go b/core/wrapper/chargetimer.go
index 8279fe88e..c9267e669 100644
--- a/core/wrapper/chargetimer.go
+++ b/core/wrapper/chargetimer.go
@@ -48,6 +48,16 @@ func (m *ChargeTimer) StopCharge() {
 	m.duration += m.clck.Since(m.start)
 }
 
+var _ ChargeResetter = (*ChargeTimer)(nil)
+
+// ChargeResetter resets the charging session
+func (m *ChargeTimer) ResetCharge() {
+	m.Lock()
+	defer m.Unlock()
+
+	m.duration = 0
+}
+
 // ChargeDuration implements the api.ChargeTimer interface
 func (m *ChargeTimer) ChargeDuration() (time.Duration, error) {
 	m.Lock()