diff --git a/src/tamagotchi-service/src/main/java/com/sap/tamagotchi/model/Device.java b/src/tamagotchi-service/src/main/java/com/sap/tamagotchi/model/Device.java
index ac93b55..256f3a6 100644
--- a/src/tamagotchi-service/src/main/java/com/sap/tamagotchi/model/Device.java
+++ b/src/tamagotchi-service/src/main/java/com/sap/tamagotchi/model/Device.java
@@ -65,6 +65,8 @@ public class Device {
             healthScore += delta;
             if (healthScore > 150)
                 healthScore /= 10;
+        } else {
+            healthScore = 0;
         }
         messages.add(new DeviceEvent(id, owner, color, born, healthScore, Instant.now()));
     }