2 files changed, 9 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 261c86825..357256d76 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -485,7 +485,12 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                 data = buf.readBytes(buf.readableBytes() - 6).toString(StandardCharsets.UTF_16BE);
             }
 
-            return decodeLocationString(position, data);
+            if (decodeLocationString(position, data) == null) {
+                getLastLocation(position, null);
+                position.set(Position.KEY_RESULT, data);
+            }
+
+            return position;
 
         } else if (type == MSG_INFO) {
 
diff --git a/test/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/test/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index 6523c5105..85ce9d8f2 100644
--- a/test/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -16,6 +16,9 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, binary(
                 "78780D01086471700328358100093F040D0A"));
 
+        verifyAttributes(decoder, binary(
+                "7979006f210000000001426174746572793a352e3536562c4e4f524d414c3b20475052532a4c696e6b2055702047534d205369676e616c204c6576656c3a5374726f6e673b204750533a4f46463b2020204c4f434b3a4f46463b204254204d41433a4234413832383034343436323b007260880d0a"));
+
         verifyPosition(decoder, binary(
                 "7979004a321106170c1b180cc900a875580b7ab4f00010350901fe0a007c0009112424007c000912240081004efe2100c500100f1200000000000000000000000000000000000000000000bc7c900d0a"));