diff --git a/src/udi/handlers/ttn/models/hottisThreeWayThermometer/hottisThreeWayThermometer.go b/src/udi/handlers/ttn/models/hottisThreeWayThermometer/hottisThreeWayThermometer.go
index bddb2d4..1f6ddb8 100644
--- a/src/udi/handlers/ttn/models/hottisThreeWayThermometer/hottisThreeWayThermometer.go
+++ b/src/udi/handlers/ttn/models/hottisThreeWayThermometer/hottisThreeWayThermometer.go
@@ -7,7 +7,6 @@ import (
   "strconv"
   "encoding/base64"
   "encoding/binary"
-  "encoding/json"
   "udi/database"
 )
 
@@ -22,9 +21,9 @@ type hottisThreeWayThermometerValues struct {
   Value3 int32 
 }
 
-func getSensorName(sensorsMap *map[string]string, sensorAddress uint64) string {
+func getSensorName(sensorsMap *map[string]interface{}, sensorAddress uint64) string {
   key := strconv.FormatUint(sensorAddress, 10)
-	if sensorName, exists := (*sensorsMap)[key]; exists {
+	if sensorName, exists := (*sensorsMap)[key].(string); exists {
 		return sensorName
 	}
 	return "Sensor" + key
@@ -32,15 +31,7 @@ func getSensorName(sensorsMap *map[string]string, sensorAddress uint64) string {
 
 func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
   deviceAttrs := (*device).Attributes
-  sensorsMap := make(map[string]string)
-  sensorsJSON, ok := deviceAttrs["Sensors"].(string)
-  if !ok {
-    return fmt.Errorf("Unable to load sensor map from attributes")
-  }
-  errJ := json.Unmarshal([]byte(sensorsJSON), &sensorsMap)
-  if errJ != nil {
-    return fmt.Errorf("Unable to parse sensor map: %v", errJ)
-  }
+  sensorsMap := deviceAttrs["Sensors"].(map[string]interface{})
 
   if fPort != 2 {
     return fmt.Errorf("Unexpected fPort %d", fPort)