diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/SensorController.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/SensorController.java
index d4accc3..878bfe3 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/SensorController.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/SensorController.java
@@ -66,8 +66,8 @@ public class SensorController {
     @PutMapping("/{id}/simulation")
     public Sensor updateSimulation(
             @PathVariable("id") Long sensorId,
-            @RequestParam("value") BigDecimal error,
-            @RequestParam("value") BigDecimal typical,
+            @RequestParam("error") BigDecimal error,
+            @RequestParam("typical") BigDecimal typical,
             final Principal principal)
             throws NotFoundException {
         return sensorService.updateSimulationFromSensor(
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Thermostat.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Thermostat.java
index 8dcd657..4e69b01 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Thermostat.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Thermostat.java
@@ -83,8 +83,8 @@ public class Thermostat extends Switchable implements BooleanTriggerable {
     @Column(nullable = false, precision = 11, scale = 1)
     private BigDecimal err = new BigDecimal(1);
 
-    @Column(nullable = true, precision = 11, scale = 1)
-    private BigDecimal typical = new BigDecimal(17.0);;
+    @Column(nullable = false, precision = 11, scale = 1)
+    private BigDecimal typical = new BigDecimal(17.0);
 
     /** Creates a thermostat with a temperature sensor and its initial OFF state */
     public Thermostat() {