diff --git a/src/main/java/com/rusefi/can/LoggingStrategy.java b/src/main/java/com/rusefi/can/LoggingStrategy.java
index e549b84..f6f93df 100644
--- a/src/main/java/com/rusefi/can/LoggingStrategy.java
+++ b/src/main/java/com/rusefi/can/LoggingStrategy.java
@@ -25,6 +25,11 @@ public class LoggingStrategy {
                         return field.getName();
                     }
 
+                    @Override
+                    public String getCategory() {
+                        return field.getCategory();
+                    }
+
                     @Override
                     public String getUnit() {
                         return "x";
diff --git a/src/main/java/com/rusefi/can/reader/dbc/DbcField.java b/src/main/java/com/rusefi/can/reader/dbc/DbcField.java
index 6c2ed45..b5ce4ab 100644
--- a/src/main/java/com/rusefi/can/reader/dbc/DbcField.java
+++ b/src/main/java/com/rusefi/can/reader/dbc/DbcField.java
@@ -7,12 +7,18 @@ public class DbcField {
     private final int startOffset;
     private final int length;
     private final double mult;
+    private String category;
 
-    public DbcField(String name, int startOffset, int length, double mult) {
+    public DbcField(String name, int startOffset, int length, double mult, String category) {
         this.name = name;
         this.startOffset = startOffset;
         this.length = length;
         this.mult = mult;
+        this.category = category;
+    }
+
+    public String getCategory() {
+        return category;
     }
 
     public String getName() {
diff --git a/src/main/java/com/rusefi/can/reader/dbc/DbcFile.java b/src/main/java/com/rusefi/can/reader/dbc/DbcFile.java
index f420d14..f055579 100644
--- a/src/main/java/com/rusefi/can/reader/dbc/DbcFile.java
+++ b/src/main/java/com/rusefi/can/reader/dbc/DbcFile.java
@@ -21,18 +21,18 @@ public class DbcFile {
     }
 
     public void read(BufferedReader reader) throws IOException {
-        DbcPacket currentState = null;
+        DbcPacket currentPacket = null;
         String line;
         while ((line = reader.readLine()) != null) {
             line = line.trim();
             if (line.startsWith("BO_")) {
-                if (currentState != null)
-                    this.packets.add(currentState);
+                if (currentPacket != null)
+                    this.packets.add(currentPacket);
                 line = line.replaceAll(":", "");
                 String[] tokens = line.split(" ");
                 int decId = Integer.parseInt(tokens[1]);
-                String name = tokens[2];
-                currentState = new DbcPacket(decId, name);
+                String packetName = tokens[2];
+                currentPacket = new DbcPacket(decId, packetName);
 
             } else if (line.startsWith("SG_")) {
                 line = line.replaceAll("[|+@(,)\\[\\]]", " ");
@@ -56,17 +56,17 @@ public class DbcFile {
 
                 double mult = Double.parseDouble(tokens[index + 3]);
 
-                DbcField field = new DbcField(name, startOffset, length, mult);
+                DbcField field = new DbcField(name, startOffset, length, mult, currentPacket.getName());
                 if (debugEnabled)
                     System.out.println("Found " + field);
-                currentState.add(field);
+                currentPacket.add(field);
 
             } else {
                 // skipping useless line
             }
         }
-        if (currentState != null)
-            this.packets.add(currentState);
+        if (currentPacket != null)
+            this.packets.add(currentPacket);
 
         System.out.println(getClass().getSimpleName() + ": Total " + packets.size() + " packets");
     }
diff --git a/src/main/java/com/rusefi/sensor_logs/BinaryLogEntry.java b/src/main/java/com/rusefi/sensor_logs/BinaryLogEntry.java
index 9497e7a..e769197 100644
--- a/src/main/java/com/rusefi/sensor_logs/BinaryLogEntry.java
+++ b/src/main/java/com/rusefi/sensor_logs/BinaryLogEntry.java
@@ -6,6 +6,8 @@ import java.io.IOException;
 public interface BinaryLogEntry {
     String getName();
 
+    String getCategory();
+
     String getUnit();
 
     int getByteSize();
diff --git a/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java b/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java
index ec53539..333767b 100644
--- a/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java
+++ b/src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java
@@ -136,7 +136,7 @@ public class BinarySensorLog<T extends BinaryLogEntry> implements SensorLog, Aut
             stream.writeFloat(0);
             // 0036h precision digits
             stream.write(2);
-            writeLine(stream, "Category", MLQ_FIELD_HEADER_NAME_OR_CATEGORY);
+            writeLine(stream, sensor.getCategory(), MLQ_FIELD_HEADER_NAME_OR_CATEGORY);
         }
         if (stream.size() != infoDataStart)
             throw new IllegalStateException("We are doing something wrong :( stream.size=" + stream.size() + "/" + infoDataStart);
diff --git a/src/test/java/com/rusefi/can/reader/impl/GetValueFromTrc.java b/src/test/java/com/rusefi/can/reader/impl/GetValueFromTrc.java
index 9ffbc5b..ebd27bc 100644
--- a/src/test/java/com/rusefi/can/reader/impl/GetValueFromTrc.java
+++ b/src/test/java/com/rusefi/can/reader/impl/GetValueFromTrc.java
@@ -9,7 +9,7 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.StringReader;
 
-import static com.rusefi.can.reader.impl.ParseDBC.VAG_MOTOR_1;
+import static com.rusefi.can.reader.impl.ParseDBCTest.VAG_MOTOR_1;
 import static junit.framework.TestCase.assertNull;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
diff --git a/src/test/java/com/rusefi/can/reader/impl/ParseDBC.java b/src/test/java/com/rusefi/can/reader/impl/ParseDBCTest.java
similarity index 98%
rename from src/test/java/com/rusefi/can/reader/impl/ParseDBC.java
rename to src/test/java/com/rusefi/can/reader/impl/ParseDBCTest.java
index b39b231..55e465d 100644
--- a/src/test/java/com/rusefi/can/reader/impl/ParseDBC.java
+++ b/src/test/java/com/rusefi/can/reader/impl/ParseDBCTest.java
@@ -11,7 +11,7 @@ import java.io.StringReader;
 
 import static junit.framework.TestCase.assertEquals;
 
-public class ParseDBC {
+public class ParseDBCTest {
     public static final String VAG_MOTOR_1 = "BO_ 640 Motor_1: 8 XXX\n" +
             " SG_ Fahrerwunschmoment : 56|8@1+ (0.39,0) [0|99] \"MDI\" XXX\n" +
             " SG_ mechanisches_Motor_Verlustmomen : 48|8@1+ (0.39,0) [0|99] \"MDI\" XXX\n" +
@@ -105,5 +105,6 @@ public class ParseDBC {
 
         DbcField rpm = motorPacket.find("RPM");
         assertEquals(0.25, rpm.getMult());
+        assertEquals("Motor_1", rpm.getCategory());
     }
 }
diff --git a/src/test/java/com/rusefi/can/reader/impl/TrcToMlqSandbox.java b/src/test/java/com/rusefi/can/reader/impl/TrcToMlqSandbox.java
index 481b7da..dc0d38a 100644
--- a/src/test/java/com/rusefi/can/reader/impl/TrcToMlqSandbox.java
+++ b/src/test/java/com/rusefi/can/reader/impl/TrcToMlqSandbox.java
@@ -10,7 +10,7 @@ import java.io.IOException;
 import java.io.StringReader;
 import java.util.List;
 
-import static com.rusefi.can.reader.impl.ParseDBC.VAG_MOTOR_1;
+import static com.rusefi.can.reader.impl.ParseDBCTest.VAG_MOTOR_1;
 
 public class TrcToMlqSandbox {