1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/Xt2400ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Xt2400ProtocolDecoder.java
index edcb3f535..11f9e0654 100644
--- a/src/main/java/org/traccar/protocol/Xt2400ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Xt2400ProtocolDecoder.java
@@ -177,7 +177,7 @@ public class Xt2400ProtocolDecoder extends BaseProtocolDecoder {
                     position.set(Position.KEY_POWER, buf.readUnsignedByte() * 0.1);
                     break;
                 case 0x57:
-                    position.set(Position.KEY_OBD_SPEED, UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
+                    position.set(Position.KEY_OBD_SPEED, buf.readUnsignedShort());
                     break;
                 case 0x65:
                     position.set(Position.KEY_VIN, buf.readSlice(17).toString(StandardCharsets.US_ASCII));