diff --git a/java_console/io/src/main/java/com/rusefi/io/serial/PortHolder.java b/java_console/io/src/main/java/com/rusefi/io/serial/PortHolder.java
index f6ac287fd9..441db7057f 100644
--- a/java_console/io/src/main/java/com/rusefi/io/serial/PortHolder.java
+++ b/java_console/io/src/main/java/com/rusefi/io/serial/PortHolder.java
@@ -49,12 +49,13 @@ public class PortHolder {
         MessagesCentral.getInstance().postMessage(logger, getClass(), "Opening port: " + port);
 
         stream = streamFactory.call();
+        IncomingDataBuffer dataBuffer = IncomingDataBuffer.createDataBuffer(stream, logger);
         if (stream == null) {
             // error already reported
             return false;
         }
         synchronized (portLock) {
-            bp = new BinaryProtocol(linkManager, logger, stream, IncomingDataBuffer.createDataBuffer(stream, logger));
+            bp = new BinaryProtocol(linkManager, logger, stream, dataBuffer);
             portLock.notifyAll();
         }