diff --git a/java_console/io/src/test/java/com/rusefi/binaryprotocol/test/Elm327Sandbox.java b/java_console/io/src/test/java/com/rusefi/binaryprotocol/test/Elm327Sandbox.java
index 3364c2e2d7..bcb7187655 100644
--- a/java_console/io/src/test/java/com/rusefi/binaryprotocol/test/Elm327Sandbox.java
+++ b/java_console/io/src/test/java/com/rusefi/binaryprotocol/test/Elm327Sandbox.java
@@ -21,5 +21,8 @@ public class Elm327Sandbox {
 
         String signature = BinaryProtocol.getSignature(tsStream);
         System.out.println("Got " + signature + " signature via CAN/ELM327");
+
+        String signature2 = BinaryProtocol.getSignature(tsStream);
+        System.out.println("Got " + signature2 + " signature via CAN/ELM327");
     }
 }