1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 15588c89b..ef09677bf 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -803,7 +803,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                 getLastLocation(position, null);
             }
 
-            if (hasLbs(type)) {
+            if (hasLbs(type) && buf.readableBytes() > 6) {
                 decodeLbs(position, buf, type, hasStatus(type) && type != MSG_LBS_ALARM);
             }