diff --git a/simulation/integrationpluginsimulation.cpp b/simulation/integrationpluginsimulation.cpp
index 05963f4c..62226a20 100644
--- a/simulation/integrationpluginsimulation.cpp
+++ b/simulation/integrationpluginsimulation.cpp
@@ -248,7 +248,7 @@ void IntegrationPluginSimulation::executeAction(ThingActionInfo *info)
         } else if(action.actionTypeId() == evChargerMaxChargingCurrentActionTypeId){
             // get the param value
             Param maxChargeParam = action.param(evChargerMaxChargingCurrentActionMaxChargingCurrentParamTypeId);
-            uint maxCharge = maxChargeParam.value().toInt();
+            double maxCharge = maxChargeParam.value().toDouble();
             qCDebug(dcSimulation()) << "Set maximum charging current to" << maxCharge << "for EV Charger device" << thing->name();
             thing->setStateValue(evChargerMaxChargingCurrentStateTypeId, maxCharge);
             return info->finish(Thing::ThingErrorNoError);
diff --git a/simulation/integrationpluginsimulation.json b/simulation/integrationpluginsimulation.json
index 70dad3cd..781205d4 100644
--- a/simulation/integrationpluginsimulation.json
+++ b/simulation/integrationpluginsimulation.json
@@ -204,7 +204,7 @@
                     "name": "evCharger",
                     "displayName": "EV Charging Station",
                     "createMethods": ["user"],
-                    "interfaces": ["extendedevcharger"],
+                    "interfaces": ["evcharger"],
                     "paramTypes": [ ],
                     "stateTypes": [
                         {
@@ -223,11 +223,11 @@
                             "displayName": "Maximum charging current",
                             "displayNameEvent": "MAximum charging current changed",
                             "displayNameAction": "Set maximum charging current",
-                            "type": "uint",
-                            "unit": "MilliAmpere",
-                            "defaultValue": 0,
-                            "minValue": 6000,
-                            "maxValue": 80000,
+                            "type": "double",
+                            "unit": "Ampere",
+                            "defaultValue": 6,
+                            "minValue": 6,
+                            "maxValue": 80,
                             "writable": true
                         }
                     ]