2 files changed, 4 insertions, 1 deletions
diff --git a/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java b/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java
index d5c7fcdb0..adc768460 100644
--- a/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TeltonikaFrameDecoderTest.java
@@ -11,7 +11,7 @@ public class TeltonikaFrameDecoderTest extends ProtocolTest {
         var decoder = inject(new TeltonikaFrameDecoder());
 
         verifyFrame(
-                binary("000F313233343536373839303132333435"),
+                binary("ff"),
                 decoder.decode(null, null, binary("FF000F313233343536373839303132333435")));
 
         verifyFrame(
diff --git a/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java
index 188c4b6eb..ba64642f2 100644
--- a/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TeltonikaProtocolDecoderTest.java
@@ -125,6 +125,9 @@ public class TeltonikaProtocolDecoderTest extends ProtocolTest {
         verifyPositions(decoder, binary(
                 "000000000000004a08010000015ebc1da508002411926621f15246010b00b913005e000f06ef01f00150011505c800450108b5000bb6000642381b18005ecd0318ce19cd430f5844000001f1000061a900010000c8e1"));
 
+        verifyNull(decoder, binary(
+                "ff"));
+
         decoder.setExtended(true);
 
         verifyPositions(decoder, false, binary(