1 files changed, 2 insertions, 2 deletions
diff --git a/src/org/traccar/protocol/Tr20ProtocolDecoder.java b/src/org/traccar/protocol/Tr20ProtocolDecoder.java
index 605a1e0b5..403a2fda2 100644
--- a/src/org/traccar/protocol/Tr20ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Tr20ProtocolDecoder.java
@@ -85,8 +85,8 @@ public class Tr20ProtocolDecoder extends BaseProtocolDecoder {
 
         position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
         position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
-        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
-        position.setCourse(parser.nextDouble());
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
+        position.setCourse(parser.nextDouble(0));
 
         return position;
     }