diff --git a/vestel/integrationpluginvestel.cpp b/vestel/integrationpluginvestel.cpp
index 6c62a82..052b17f 100644
--- a/vestel/integrationpluginvestel.cpp
+++ b/vestel/integrationpluginvestel.cpp
@@ -187,7 +187,7 @@ void IntegrationPluginVestel::executeAction(ThingActionInfo *info)
             // Note: only write the register if power is true, otherwise we would start charging. The state represents the desired current,
             // once the power is true, the current will be written to the corresponding current.
 
-            int maxChargingCurrent = info->action().paramValue(evc04MaxChargingCurrentActionMaxChargingCurrentParamTypeId).toInt();
+            quint16 maxChargingCurrent = static_cast<quint16>(qRound(info->action().paramValue(evc04MaxChargingCurrentActionMaxChargingCurrentParamTypeId).toDouble()));
 
             if (info->thing()->stateValue(evc04PowerStateTypeId).toBool()) {
                 qCDebug(dcVestel()) << "Write max charging current" << maxChargingCurrent;
diff --git a/vestel/integrationpluginvestel.json b/vestel/integrationpluginvestel.json
index 496f31c..2acb0b8 100644
--- a/vestel/integrationpluginvestel.json
+++ b/vestel/integrationpluginvestel.json
@@ -107,10 +107,11 @@
                             "name": "maxChargingCurrent",
                             "displayName": "Maximum charging current",
                             "displayNameAction": "Set maximum charging current",
-                            "type": "uint",
+                            "type": "double",
                             "unit": "Ampere",
                             "minValue": 6,
                             "maxValue": 32,
+                            "stepSize": 1.0,
                             "defaultValue": 6,
                             "writable": true
                         },