diff --git a/java_console/io/src/com/rusefi/io/serial/SerialIoStream.java b/java_console/io/src/com/rusefi/io/serial/SerialIoStream.java
index 126e4d81a4..efa944c048 100644
--- a/java_console/io/src/com/rusefi/io/serial/SerialIoStream.java
+++ b/java_console/io/src/com/rusefi/io/serial/SerialIoStream.java
@@ -62,7 +62,7 @@ public class SerialIoStream implements IoStream {
     public void setDataListener(DataListener listener) {
         try {
             SerialPortReader reader = new SerialPortReader(serialPort, listener);
-            serialPort.addEventListener(reader);
+            serialPort.addEventListener(reader.getSerialPortEventListener());
             reader.readInitial();
         } catch (SerialPortException e) {
             throw new IllegalStateException(e);
diff --git a/java_console/io/src/com/rusefi/io/serial/SerialPortReader.java b/java_console/io/src/com/rusefi/io/serial/SerialPortReader.java
index 7f1a97b16a..b4787584a6 100644
--- a/java_console/io/src/com/rusefi/io/serial/SerialPortReader.java
+++ b/java_console/io/src/com/rusefi/io/serial/SerialPortReader.java
@@ -12,7 +12,7 @@ import org.jetbrains.annotations.Nullable;
  * Date: 12/25/12
  * (c) Andrey Belomutskiy
  */
-public class SerialPortReader implements SerialPortEventListener {
+public class SerialPortReader {
     private static final int[] SLEEP_DURATIONS = {2, 20, 50, 100};
     private final SerialPort serialPort;
     private DataListener listener;
@@ -61,6 +61,9 @@ public class SerialPortReader implements SerialPortEventListener {
         return null;
     }
 
+    private SerialPortEventListener serialPortEventListener = new SerialPortEventListener() {
+
+
     public void serialEvent(SerialPortEvent spe) {
         if (spe.isRXCHAR() || spe.isRXFLAG()) {
 // event-based serial read implementation does not work well on Windows 10 for some reason
@@ -74,6 +77,7 @@ public class SerialPortReader implements SerialPortEventListener {
             FileLog.MAIN.logLine("less expected SerialPortReader serialEvent " + spe.getEventType());
         }
     }
+    };
 
 //    private void handleRx(SerialPortEvent spe) throws SerialPortException {
 //        if (spe.getEventValue() > 0) {
@@ -92,4 +96,8 @@ public class SerialPortReader implements SerialPortEventListener {
                 listener.onDataArrived(data);
         }
     }
+
+    public SerialPortEventListener getSerialPortEventListener() {
+        return serialPortEventListener;
+    }
 }