1 files changed, 3 insertions, 3 deletions
diff --git a/src/org/traccar/protocol/ArknavX8ProtocolDecoder.java b/src/org/traccar/protocol/ArknavX8ProtocolDecoder.java
index 5f15323e6..8a80901b5 100644
--- a/src/org/traccar/protocol/ArknavX8ProtocolDecoder.java
+++ b/src/org/traccar/protocol/ArknavX8ProtocolDecoder.java
@@ -76,10 +76,10 @@ public class ArknavX8ProtocolDecoder extends BaseProtocolDecoder {
         position.setValid(parser.next().equals("A"));
         position.setLatitude(parser.nextCoordinate());
         position.setLongitude(parser.nextCoordinate());
-        position.setSpeed(parser.nextDouble());
-        position.setCourse(parser.nextDouble());
+        position.setSpeed(parser.nextDouble(0));
+        position.setCourse(parser.nextDouble(0));
 
-        position.set(Position.KEY_HDOP, parser.nextDouble());
+        position.set(Position.KEY_HDOP, parser.nextDouble(0));
         position.set(Position.KEY_STATUS, parser.next());
 
         return position;