1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/handler/events/FuelDropEventHandler.java b/src/main/java/org/traccar/handler/events/FuelDropEventHandler.java
index 2d105af3e..25ae1fadb 100644
--- a/src/main/java/org/traccar/handler/events/FuelDropEventHandler.java
+++ b/src/main/java/org/traccar/handler/events/FuelDropEventHandler.java
@@ -53,8 +53,8 @@ public class FuelDropEventHandler extends BaseEventHandler {
                 cacheManager, Keys.EVENT_FUEL_DROP_THRESHOLD, position.getDeviceId());
         if (fuelDropThreshold > 0) {
             Position lastPosition = cacheManager.getPosition(position.getDeviceId());
-            if (position.getAttributes().containsKey(Position.KEY_FUEL_LEVEL)
-                    && lastPosition != null && lastPosition.getAttributes().containsKey(Position.KEY_FUEL_LEVEL)) {
+            if (position.hasAttribute(Position.KEY_FUEL_LEVEL)
+                    && lastPosition != null && lastPosition.hasAttribute(Position.KEY_FUEL_LEVEL)) {
 
                 double drop = lastPosition.getDouble(Position.KEY_FUEL_LEVEL)
                         - position.getDouble(Position.KEY_FUEL_LEVEL);