1 files changed, 3 insertions, 0 deletions
diff --git a/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java
index 08bc8f699..e212a0f15 100644
--- a/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/TopinProtocolDecoderTest.java
@@ -22,6 +22,9 @@ public class TopinProtocolDecoderTest extends ProtocolTest {
         verifyAttributes(decoder, binary(
                 "78780713514d0819640d0a"));
 
+        verifyNull(decoder, binary(
+                "787801300d0a"));
+
     }
 
 }