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-rw-r--r--src/main/java/org/traccar/session/cache/CacheManager.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/session/cache/CacheManager.java b/src/main/java/org/traccar/session/cache/CacheManager.java
index 58320cf29..0aadb3692 100644
--- a/src/main/java/org/traccar/session/cache/CacheManager.java
+++ b/src/main/java/org/traccar/session/cache/CacheManager.java
@@ -381,7 +381,7 @@ public class CacheManager implements BroadcastInterface {
var key = new CacheKey(clazz, id);
deviceCache.computeIfPresent(key, (k, value) -> {
value.release(deviceId);
- return value.getReferences().size() > 0 ? value : null;
+ return value.getReferences().isEmpty() ? null : value;
});
}));
devicePositions.remove(deviceId);