1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/S168ProtocolDecoder.java b/src/main/java/org/traccar/protocol/S168ProtocolDecoder.java
index a88bfa65a..cf665c6ba 100644
--- a/src/main/java/org/traccar/protocol/S168ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/S168ProtocolDecoder.java
@@ -107,7 +107,7 @@ public class S168ProtocolDecoder extends BaseProtocolDecoder {
         if (network.getCellTowers() != null || network.getWifiAccessPoints() != null) {
             position.setNetwork(network);
         }
-        if (!position.getAttributes().containsKey(Position.KEY_SATELLITES)) {
+        if (!position.hasAttribute(Position.KEY_SATELLITES)) {
             getLastLocation(position, null);
         }