diff --git a/java_console/io/src/com/rusefi/binaryprotocol/BinaryProtocol.java b/java_console/io/src/com/rusefi/binaryprotocol/BinaryProtocol.java
index 63c46afd0f..4eab2cb418 100644
--- a/java_console/io/src/com/rusefi/binaryprotocol/BinaryProtocol.java
+++ b/java_console/io/src/com/rusefi/binaryprotocol/BinaryProtocol.java
@@ -14,6 +14,9 @@ import com.rusefi.core.Pair;
 import com.rusefi.core.Sensor;
 import com.rusefi.core.SensorCentral;
 import com.rusefi.io.*;
+import com.rusefi.stream.StreamFile;
+import com.rusefi.stream.TSHighSpeedLog;
+import com.rusefi.stream.VcdStreamFile;
 import com.rusefi.tune.xml.Msq;
 import com.rusefi.ui.livedocs.LiveDocsRegistry;
 import jssc.SerialPortException;
diff --git a/java_console/models/src/com/rusefi/composite/test/CompositeParserTest.java b/java_console/models/src/com/rusefi/composite/test/CompositeParserTest.java
index b2605082fa..658c7b249c 100644
--- a/java_console/models/src/com/rusefi/composite/test/CompositeParserTest.java
+++ b/java_console/models/src/com/rusefi/composite/test/CompositeParserTest.java
@@ -1,6 +1,6 @@
 package com.rusefi.composite.test;
 
-import com.rusefi.binaryprotocol.VcdStreamFile;
+import com.rusefi.stream.VcdStreamFile;
 import com.rusefi.composite.CompositeEvent;
 import com.rusefi.composite.CompositeParser;
 import org.junit.Test;
diff --git a/java_console/models/src/com/rusefi/binaryprotocol/StreamFile.java b/java_console/models/src/com/rusefi/stream/StreamFile.java
similarity index 50%
rename from java_console/models/src/com/rusefi/binaryprotocol/StreamFile.java
rename to java_console/models/src/com/rusefi/stream/StreamFile.java
index 85b31e14e4..d6cffad3d2 100644
--- a/java_console/models/src/com/rusefi/binaryprotocol/StreamFile.java
+++ b/java_console/models/src/com/rusefi/stream/StreamFile.java
@@ -1,13 +1,13 @@
-package com.rusefi.binaryprotocol;
+package com.rusefi.stream;
 
 import com.rusefi.composite.CompositeEvent;
 
-import java.io.FileWriter;
-import java.io.IOException;
+import java.io.*;
 import java.util.List;
 
 public abstract class StreamFile {
-    protected FileWriter writer;
+    protected OutputStream stream;
+    protected Writer writer;
 
     public StreamFile() {
         Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
@@ -18,7 +18,7 @@ public abstract class StreamFile {
         }));
     }
 
-    abstract void append(List<CompositeEvent> events);
+    public abstract void append(List<CompositeEvent> events);
 
     public synchronized void close() {
         if (writer != null) {
@@ -30,8 +30,20 @@ public abstract class StreamFile {
             }
         }
         writer = null;
+        if (stream != null) {
+            try {
+                stream.close();
+            } catch (IOException e) {
+                // ignoring this one
+            }
+        }
     }
 
-    protected void writeFooter(FileWriter writer) throws IOException {
+    protected void createFileWriter(String fileName) throws FileNotFoundException {
+        stream = new FileOutputStream(fileName);
+        writer = new OutputStreamWriter(stream);
+    }
+
+    protected void writeFooter(Writer writer) throws IOException {
     }
 }
diff --git a/java_console/models/src/com/rusefi/binaryprotocol/TSHighSpeedLog.java b/java_console/models/src/com/rusefi/stream/TSHighSpeedLog.java
similarity index 82%
rename from java_console/models/src/com/rusefi/binaryprotocol/TSHighSpeedLog.java
rename to java_console/models/src/com/rusefi/stream/TSHighSpeedLog.java
index 1610032273..b9f156eae0 100644
--- a/java_console/models/src/com/rusefi/binaryprotocol/TSHighSpeedLog.java
+++ b/java_console/models/src/com/rusefi/stream/TSHighSpeedLog.java
@@ -1,11 +1,9 @@
-package com.rusefi.binaryprotocol;
+package com.rusefi.stream;
 
 import com.rusefi.composite.CompositeEvent;
 import com.rusefi.rusEFIVersion;
 
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.Writer;
+import java.io.*;
 import java.util.List;
 
 public class TSHighSpeedLog extends StreamFile {
@@ -23,10 +21,10 @@ public class TSHighSpeedLog extends StreamFile {
     }
 
     @Override
-    void append(List<CompositeEvent> events) {
+    public void append(List<CompositeEvent> events) {
         try {
             if (writer == null) {
-                writer = new FileWriter(fileName);
+                createFileWriter(fileName);
                 writeHeader(writer);
             }
             for (CompositeEvent event : events) {
@@ -43,7 +41,7 @@ public class TSHighSpeedLog extends StreamFile {
     }
 
     @Override
-    protected void writeFooter(FileWriter writer) throws IOException {
+    protected void writeFooter(Writer writer) throws IOException {
         writer.write("MARK 028\n");
     }
 }
diff --git a/java_console/models/src/com/rusefi/binaryprotocol/VcdStreamFile.java b/java_console/models/src/com/rusefi/stream/VcdStreamFile.java
similarity index 97%
rename from java_console/models/src/com/rusefi/binaryprotocol/VcdStreamFile.java
rename to java_console/models/src/com/rusefi/stream/VcdStreamFile.java
index dc9ed4c069..ecbe878e50 100644
--- a/java_console/models/src/com/rusefi/binaryprotocol/VcdStreamFile.java
+++ b/java_console/models/src/com/rusefi/stream/VcdStreamFile.java
@@ -1,4 +1,4 @@
-package com.rusefi.binaryprotocol;
+package com.rusefi.stream;
 
 import com.rusefi.composite.CompositeEvent;
 
@@ -74,7 +74,7 @@ public class VcdStreamFile extends StreamFile {
     public void append(List<CompositeEvent> events) {
         try {
             if (writer == null) {
-                writer = new FileWriter(fileName);
+                createFileWriter(fileName);
                 writeHeader(writer, new Date());
             }
             appendEvents(events, writer);