diff --git a/core/db/session.go b/core/db/session.go
index 3167dcf28..180caab7d 100644
--- a/core/db/session.go
+++ b/core/db/session.go
@@ -30,7 +30,9 @@ type Session struct {
 
 // Stop stops charging session with end meter reading and due total amount
 func (t *Session) Stop(chargedWh, total float64) {
-	t.ChargedEnergy = chargedWh / 1e3
+	if chargedEnergy := chargedWh / 1e3; chargedEnergy > t.ChargedEnergy {
+		t.ChargedEnergy = chargedEnergy
+	}
 	t.MeterStop = total
 	t.Finished = time.Now()
 }