1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/database/DeviceLookupService.java b/src/main/java/org/traccar/database/DeviceLookupService.java
index 6ec6841a1..90d23531e 100644
--- a/src/main/java/org/traccar/database/DeviceLookupService.java
+++ b/src/main/java/org/traccar/database/DeviceLookupService.java
@@ -49,7 +49,7 @@ public class DeviceLookupService {
 
     private final boolean throttlingEnabled;
 
-    private static class IdentifierInfo {
+    private static final class IdentifierInfo {
         private long lastQuery;
         private long delay;
         private Timeout timeout;