diff --git a/java_tools/ConfigDefinition.jar b/java_tools/ConfigDefinition.jar
index cd83e1f53b..cf876e5e10 100644
Binary files a/java_tools/ConfigDefinition.jar and b/java_tools/ConfigDefinition.jar differ
diff --git a/java_tools/configuration_definition/src/main/java/com/rusefi/output/SdCardFieldsContent.java b/java_tools/configuration_definition/src/main/java/com/rusefi/output/SdCardFieldsContent.java
index 6537ce1f5d..150496c1f2 100644
--- a/java_tools/configuration_definition/src/main/java/com/rusefi/output/SdCardFieldsContent.java
+++ b/java_tools/configuration_definition/src/main/java/com/rusefi/output/SdCardFieldsContent.java
@@ -1,5 +1,7 @@
 package com.rusefi.output;
 
+import com.rusefi.core.SensorCategory;
+
 import com.rusefi.ConfigField;
 import com.rusefi.ReaderState;
 
@@ -39,6 +41,14 @@ public class SdCardFieldsContent {
     }
 
     private String getLine(ConfigField configField, String prefix, String name) {
+        String categoryStr = configField.getCategory();
+
+        if(categoryStr == null) {
+            categoryStr = "";
+        } else {
+            categoryStr = ", " + categoryStr;
+        }
+
         return "\t{" + home + "." + name +
                 ", "
                 + DataLogConsumer.getHumanGaugeName(prefix, configField) +
@@ -46,9 +56,7 @@ public class SdCardFieldsContent {
                 quote(configField.getUnits()) +
                 ", " +
                 configField.getDigits() +
-                ", " +
-                configField.getCategory() +
-
+                categoryStr +
                 "},\n";
     }
 
diff --git a/java_tools/configuration_definition/src/test/java/com/rusefi/test/SdCardFieldsGeneratorTest.java b/java_tools/configuration_definition/src/test/java/com/rusefi/test/SdCardFieldsGeneratorTest.java
index 290cdf0506..1a774c5ae4 100644
--- a/java_tools/configuration_definition/src/test/java/com/rusefi/test/SdCardFieldsGeneratorTest.java
+++ b/java_tools/configuration_definition/src/test/java/com/rusefi/test/SdCardFieldsGeneratorTest.java
@@ -24,17 +24,17 @@ public class SdCardFieldsGeneratorTest {
 
         String test = "struct_no_prefix output_channels_s\n" +
                 "\tfloat autoscale internalMcuTemperature\n" +
-                "uint16_t autoscale RPMValue;@@GAUGE_NAME_RPM@@;\"RPM\",1, 0, 0, 8000, 2\n" +
+                "uint16_t autoscale RPMValue;@@GAUGE_NAME_RPM@@;\"RPM\",1, 0, 0, 8000, 2, \"myCategory\"\n" +
                 "\n" +
                 "uint16_t rpmAcceleration;dRPM;\"RPM/s\",1, 0, 0, 5, 2\n" +
                 "\n" +
                 "\tuint16_t autoscale speedToRpmRatio;@@GAUGE_NAME_GEAR_RATIO@@;\"value\",{1/@@PACK_MULT_PERCENT@@}, 0, 0, 0, 0\n" +
                 "end_struct";
 
-        processAndAssert(test, "\t{engine->outputChannels.internalMcuTemperature, \"internalMcuTemperature\", \"\", 0, null},\n" +
-                "\t{engine->outputChannels.RPMValue, \"hello\", \"RPM\", 2, null},\n" +
-                "\t{engine->outputChannels.rpmAcceleration, \"dRPM\", \"RPM/s\", 2, null},\n" +
-                "\t{engine->outputChannels.speedToRpmRatio, \"ra\", \"value\", 0, null},\n" +
+        processAndAssert(test, "\t{engine->outputChannels.internalMcuTemperature, \"internalMcuTemperature\", \"\", 0},\n" +
+                "\t{engine->outputChannels.RPMValue, \"hello\", \"RPM\", 2, \"myCategory\"},\n" +
+                "\t{engine->outputChannels.rpmAcceleration, \"dRPM\", \"RPM/s\", 2},\n" +
+                "\t{engine->outputChannels.speedToRpmRatio, \"ra\", \"value\", 0},\n" +
                 "", actor);
     }
 
@@ -43,7 +43,7 @@ public class SdCardFieldsGeneratorTest {
         processAndAssert("struct_no_prefix output_channels_s\n" +
                 "uint16_t autoscale RPMValue;feee;\"RPM\",1, 0, 0, 8000, 2\n" +
                 "bit sd_logging_internal\n" +
-                "end_struct", "\t{engine->outputChannels.RPMValue, \"feee\", \"RPM\", 2, null},\n", readerState -> {
+                "end_struct", "\t{engine->outputChannels.RPMValue, \"feee\", \"RPM\", 2},\n", readerState -> {
 
         });
     }
@@ -52,10 +52,10 @@ public class SdCardFieldsGeneratorTest {
     public void array() {
         processAndAssert("struct_no_prefix output_channels_s\n" +
                 "uint16_t[4 iterate] recentErrorCode;;\"error\", 1, 0, 0, 0, 0\n" +
-                "end_struct", "\t{engine->outputChannels.recentErrorCode[0], \"recentErrorCode 1\", \"error\", 0, null},\n" +
-                "\t{engine->outputChannels.recentErrorCode[1], \"recentErrorCode 2\", \"error\", 0, null},\n" +
-                "\t{engine->outputChannels.recentErrorCode[2], \"recentErrorCode 3\", \"error\", 0, null},\n" +
-                "\t{engine->outputChannels.recentErrorCode[3], \"recentErrorCode 4\", \"error\", 0, null},\n", readerState -> {
+                "end_struct", "\t{engine->outputChannels.recentErrorCode[0], \"recentErrorCode 1\", \"error\", 0},\n" +
+                "\t{engine->outputChannels.recentErrorCode[1], \"recentErrorCode 2\", \"error\", 0},\n" +
+                "\t{engine->outputChannels.recentErrorCode[2], \"recentErrorCode 3\", \"error\", 0},\n" +
+                "\t{engine->outputChannels.recentErrorCode[3], \"recentErrorCode 4\", \"error\", 0},\n", readerState -> {
 
         });
     }
@@ -68,7 +68,7 @@ public class SdCardFieldsGeneratorTest {
                         "    end_struct\n" +
                         "\tpid_status_s alternatorStatus\n" +
                         "end_struct",
-                "\t{engine->outputChannels.alternatorStatus.pTerm, \"alternatorStatus.pTerm\", \"\", 2, null},\n",
+                "\t{engine->outputChannels.alternatorStatus.pTerm, \"alternatorStatus.pTerm\", \"\", 2},\n",
                 readerState -> {
 
                 });
@@ -86,4 +86,4 @@ public class SdCardFieldsGeneratorTest {
         state.readBufferedReader(input, consumer);
         assertEquals(expectedOutput, consumer.getBody());
     }
-}
+}
\ No newline at end of file