diff --git a/app/src/main/java/de/ccc/events/badge/card10/Constants.kt b/app/src/main/java/de/ccc/events/badge/card10/Constants.kt
index aec121bbd05cda64d4c1d67447cf6952d80de703..04f39b11908deaab233b3a06de51f63190ca987b 100644
--- a/app/src/main/java/de/ccc/events/badge/card10/Constants.kt
+++ b/app/src/main/java/de/ccc/events/badge/card10/Constants.kt
@@ -50,12 +50,12 @@ val LEDS_POWERSAFE_CHARACTERISTIC_UUID = UUID.fromString("42230217-2342-2342-234
 val FLASHLIGHT_CHARACTERISTIC_UUID = UUID.fromString("42230218-2342-2342-2342-234223422342")
 val PERSONAL_STATE_CHARACTERISTIC_UUID = UUID.fromString("42230219-2342-2342-2342-234223422342")
 
-enum class PersonalState(val v: Int) {
+enum class PersonalState(val v: Byte) {
         NONE(0x0000),
-        NO_CONTACT(0x0100),
-        CHAOS(0x0200)
-        COMMUNICATION(0x0300)
-        CAMP(0x0400).
+        NO_CONTACT(0x0100.toByte()),
+        CHAOS(0x0200.toByte()),
+        COMMUNICATION(0x0300.toByte()),
+        CAMP(0x0400.toByte())
 }
 
 val LEDS_ABOVE_CHARACTERISTIC_UUID = UUID.fromString("42230220-2342-2342-2342-234223422342")