diff --git a/charger/ocpp/connector.go b/charger/ocpp/connector.go
index 409af091c0..6dea4275c8 100644
--- a/charger/ocpp/connector.go
+++ b/charger/ocpp/connector.go
@@ -265,10 +265,10 @@ func (conn *Connector) CurrentPower() (float64, error) {
 	}
 
 	// fallback for missing total power
-
-	res, found, err := conn.phaseMeasurements(types.MeasurandPowerActiveImport, "")
-	if found {
-		return res[0] + res[1] + res[2], err
+	for _, suffix := range []types.Measurand{"", "-N"} {
+		if res, found, err := conn.phaseMeasurements(types.MeasurandPowerActiveImport, suffix); found {
+			return res[0] + res[1] + res[2], err
+		}
 	}
 
 	return 0, api.ErrNotAvailable
@@ -347,9 +347,10 @@ func (conn *Connector) Currents() (float64, float64, float64, error) {
 		return 0, 0, 0, nil
 	}
 
-	res, found, err := conn.phaseMeasurements(types.MeasurandCurrentImport, "")
-	if found {
-		return res[0], res[1], res[2], err
+	for _, suffix := range []types.Measurand{"", "-N"} {
+		if res, found, err := conn.phaseMeasurements(types.MeasurandCurrentImport, suffix); found {
+			return res[0], res[1], res[2], err
+		}
 	}
 
 	return 0, 0, 0, api.ErrNotAvailable
@@ -368,14 +369,10 @@ func (conn *Connector) Voltages() (float64, float64, float64, error) {
 		return 0, 0, 0, api.ErrTimeout
 	}
 
-	res, found, err := conn.phaseMeasurements(types.MeasurandVoltage, "-N")
-	if found {
-		return res[0], res[1], res[2], err
-	}
-
-	res, found, err = conn.phaseMeasurements(types.MeasurandVoltage, "")
-	if found {
-		return res[0], res[1], res[2], err
+	for _, suffix := range []types.Measurand{"-N", ""} {
+		if res, found, err := conn.phaseMeasurements(types.MeasurandVoltage, suffix); found {
+			return res[0], res[1], res[2], err
+		}
 	}
 
 	return 0, 0, 0, api.ErrNotAvailable