diff --git a/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java b/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java
index 2cff9968c8..3c25f35cd3 100644
--- a/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java
+++ b/java_console/io/src/main/java/com/rusefi/binaryprotocol/BinaryProtocol.java
@@ -394,7 +394,7 @@ public class BinaryProtocol implements BinaryProtocolCommands {
     }
 
     private static String getCode(byte[] response) {
-        int b = response[0];
+        int b = response[0] & 0xff;
         switch (b) {
             case TS_RESPONSE_CRC_FAILURE:
                 return "CRC_FAILURE";
diff --git a/java_tools/proxy_server/src/main/java/com/rusefi/server/Backend.java b/java_tools/proxy_server/src/main/java/com/rusefi/server/Backend.java
index 9d497f2b18..e75d5115a0 100644
--- a/java_tools/proxy_server/src/main/java/com/rusefi/server/Backend.java
+++ b/java_tools/proxy_server/src/main/java/com/rusefi/server/Backend.java
@@ -373,6 +373,7 @@ public class Backend implements Closeable {
 
     public void close(ControllerConnectionState inactiveClient) {
         inactiveClient.close();
+        log.info("Closing " + inactiveClient);
         synchronized (lock) {
             // in case of exception in the initialization phase we do not even add client into the the collection
             controllersByKey.remove(inactiveClient.getControllerKey());