diff --git a/pcelectric/integrationpluginpcelectric.cpp b/pcelectric/integrationpluginpcelectric.cpp
index 630c35e..19a9f89 100644
--- a/pcelectric/integrationpluginpcelectric.cpp
+++ b/pcelectric/integrationpluginpcelectric.cpp
@@ -223,7 +223,7 @@ void IntegrationPluginPcElectric::executeAction(ThingActionInfo *info)
 
     } else if (info->action().actionTypeId() == ev11MaxChargingCurrentActionTypeId) {
 
-        uint desiredChargingCurrent = info->action().paramValue(ev11MaxChargingCurrentActionMaxChargingCurrentParamTypeId).toUInt();
+        double desiredChargingCurrent = info->action().paramValue(ev11MaxChargingCurrentActionMaxChargingCurrentParamTypeId).toDouble();
         qCDebug(dcPcElectric()) << "Set max charging current to" << desiredChargingCurrent << "A";
 
         // Update buffer
diff --git a/pcelectric/integrationpluginpcelectric.json b/pcelectric/integrationpluginpcelectric.json
index 1003faf..97b477d 100644
--- a/pcelectric/integrationpluginpcelectric.json
+++ b/pcelectric/integrationpluginpcelectric.json
@@ -126,11 +126,12 @@
                             "displayName": "Maximum charging current",
                             "displayNameEvent": "Maximum charging current changed",
                             "displayNameAction": "Set maximum charging current",
-                            "type": "uint",
+                            "type": "double",
                             "unit": "Ampere",
                             "defaultValue": 6,
                             "minValue": 6,
                             "maxValue": 16,
+                            "stepSize": 0.01,
                             "writable": true
                         },
                         {