diff --git a/inro/integrationplugininro.cpp b/inro/integrationplugininro.cpp
index 69ebd71..a043338 100644
--- a/inro/integrationplugininro.cpp
+++ b/inro/integrationplugininro.cpp
@@ -217,7 +217,7 @@ void IntegrationPluginInro::executeAction(ThingActionInfo *info)
         }
 
         if (info->action().actionTypeId() == pantaboxMaxChargingCurrentActionTypeId) {
-            quint16 chargingCurrent = info->action().paramValue(pantaboxMaxChargingCurrentActionMaxChargingCurrentParamTypeId).toUInt();
+            quint16 chargingCurrent = static_cast<quint16>(qRound(info->action().paramValue(pantaboxMaxChargingCurrentActionMaxChargingCurrentParamTypeId).toDouble()));
             qCDebug(dcInro()) << "PANTABOX: Set max charging current" << chargingCurrent << "A";
 
             QModbusReply *reply = connection->setMaxChargingCurrent(chargingCurrent);
diff --git a/inro/integrationplugininro.json b/inro/integrationplugininro.json
index 0176106..b131b0d 100644
--- a/inro/integrationplugininro.json
+++ b/inro/integrationplugininro.json
@@ -108,10 +108,11 @@
                             "name": "maxChargingCurrent",
                             "displayName": "Maximum charging current",
                             "displayNameAction": "Set maximum charging current",
-                            "type": "uint",
+                            "type": "double",
                             "unit": "Ampere",
                             "minValue": 6,
                             "maxValue": 16,
+                            "stepSize": 1.0,
                             "defaultValue": 6,
                             "writable": true
                         },