diff --git a/java_console/io/src/main/java/com/rusefi/io/LinkManager.java b/java_console/io/src/main/java/com/rusefi/io/LinkManager.java
index ce403561f6..d25659de2f 100644
--- a/java_console/io/src/main/java/com/rusefi/io/LinkManager.java
+++ b/java_console/io/src/main/java/com/rusefi/io/LinkManager.java
@@ -17,6 +17,7 @@ import java.io.Closeable;
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Objects;
+import java.util.TreeSet;
 import java.util.concurrent.*;
 
 import static com.devexperts.logging.Logging.getLogging;
@@ -117,10 +118,11 @@ public class LinkManager implements Closeable {
 
     public static String[] getCommPorts() {
         SerialPort[] ports = SerialPort.getCommPorts();
-        String[] result = new String[ports.length];
-        for (int i = 0; i < ports.length; i++)
-            result[i] = ports[i].getSystemPortName();
-        return result;
+        // wow sometimes driver returns same port name more than once?!
+        TreeSet<String> names = new TreeSet<>();
+        for (SerialPort port : ports)
+            names.add(port.getSystemPortName());
+        return names.toArray(new String[0]);
     }
 
     public BinaryProtocol getCurrentStreamState() {
diff --git a/java_console/shared_io/src/main/java/com/rusefi/rusEFIVersion.java b/java_console/shared_io/src/main/java/com/rusefi/rusEFIVersion.java
index e1ec3e91b0..e6bf0fb60d 100644
--- a/java_console/shared_io/src/main/java/com/rusefi/rusEFIVersion.java
+++ b/java_console/shared_io/src/main/java/com/rusefi/rusEFIVersion.java
@@ -6,7 +6,7 @@ import java.net.URL;
 import java.util.concurrent.atomic.AtomicReference;
 
 public class rusEFIVersion {
-    public static final int CONSOLE_VERSION = 20211023;
+    public static final int CONSOLE_VERSION = 20211027;
     public static AtomicReference<String> firmwareVersion = new AtomicReference<>("N/A");
 
     public static long classBuildTimeMillis() {