diff --git a/java_tools/ConfigDefinition.jar b/java_tools/ConfigDefinition.jar
index 7405f9f581..c8c6980c51 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/ReaderState.java b/java_tools/configuration_definition/src/main/java/com/rusefi/ReaderState.java
index 410e945b2e..3436119b9b 100644
--- a/java_tools/configuration_definition/src/main/java/com/rusefi/ReaderState.java
+++ b/java_tools/configuration_definition/src/main/java/com/rusefi/ReaderState.java
@@ -291,7 +291,8 @@ public class ReaderState {
             if (log.debugEnabled())
                 log.debug("Need to align before " + cf.getName());
             structure.addAlignmentFill(state, getPrimitiveSize);
-        } else {
+        } else if (getPrimitiveSize == null) {
+            // we are here for struct members
             structure.addAlignmentFill(state, 4);
         }
 
diff --git a/java_tools/configuration_definition/src/test/java/com/rusefi/test/ConfigFieldParserTest.java b/java_tools/configuration_definition/src/test/java/com/rusefi/test/ConfigFieldParserTest.java
index 86dd36db21..ead531b0aa 100644
--- a/java_tools/configuration_definition/src/test/java/com/rusefi/test/ConfigFieldParserTest.java
+++ b/java_tools/configuration_definition/src/test/java/com/rusefi/test/ConfigFieldParserTest.java
@@ -8,7 +8,6 @@ import com.rusefi.output.BaseCHeaderConsumer;
 import com.rusefi.output.ConfigStructure;
 import com.rusefi.output.JavaFieldsConsumer;
 import com.rusefi.output.TSProjectConsumer;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import java.io.IOException;
@@ -79,16 +78,18 @@ public class ConfigFieldParserTest {
     @Test
     public void testCustomEnum() throws IOException {
         String test = "struct pid_s\n" +
-                "#define ego_sensor_e_size 4\n" +
                 "#define ego_sensor_e_enum \"BPSX\", \"Innovate\", \"14Point7\"\n" +
-                "custom ego_sensor_e @@ego_sensor_e_size@@ bits, S32, @OFFSET@, [0:1], @@ego_sensor_e_enum@@\n" +
+                "custom ego_sensor_e 1 bits, S32, @OFFSET@, [0:1], @@ego_sensor_e_enum@@\n" +
                 "ego_sensor_e afr_type;\n" +
+                "int8_t int\n" +
                 "end_struct\n";
         ReaderState state = new ReaderState();
 
         TestTSProjectConsumer tsProjectConsumer = new TestTSProjectConsumer("", state);
         state.readBufferedReader(test, (tsProjectConsumer));
         assertEquals("afr_type = bits, S32, 0, [0:1], \"BPSX\", \"Innovate\", \"14Point7\", \"INVALID\"\n" +
+                "int = scalar, S08, 1, \"\", 1, 0, 0, 100, 0\n" +
+                "alignmentFill_at_2 = array, U08, 2, [2], \"units\", 1, 0, -20, 100, 0\n" +
                 "; total TS size = 4\n", tsProjectConsumer.getContent());
     }
 
@@ -544,23 +545,17 @@ public class ConfigFieldParserTest {
                         "\t */\n" +
                         "\tint8_t byte1 = (int8_t)0;\n" +
                         "\t/**\n" +
-                        "\t * need 4 byte alignment\n" +
-                        "\tunits\n" +
                         "\t * offset 1\n" +
                         "\t */\n" +
-                        "\tuint8_t alignmentFill_at_1[3];\n" +
-                        "\t/**\n" +
-                        "\t * offset 4\n" +
-                        "\t */\n" +
                         "\tint8_t byte2 = (int8_t)0;\n" +
                         "\t/**\n" +
                         "\t * need 4 byte alignment\n" +
                         "\tunits\n" +
-                        "\t * offset 5\n" +
+                        "\t * offset 2\n" +
                         "\t */\n" +
-                        "\tuint8_t alignmentFill_at_5[3];\n" +
+                        "\tuint8_t alignmentFill_at_2[2];\n" +
                         "};\n" +
-                        "static_assert(sizeof(pid_s) == 8);\n" +
+                        "static_assert(sizeof(pid_s) == 4);\n" +
                         "\n",
                 consumer.getContent());
     }
diff --git a/java_tools/configuration_definition/src/test/java/com/rusefi/test/JavaSensorsConsumerTest.java b/java_tools/configuration_definition/src/test/java/com/rusefi/test/JavaSensorsConsumerTest.java
index 511db62441..e0387f2efa 100644
--- a/java_tools/configuration_definition/src/test/java/com/rusefi/test/JavaSensorsConsumerTest.java
+++ b/java_tools/configuration_definition/src/test/java/com/rusefi/test/JavaSensorsConsumerTest.java
@@ -37,11 +37,10 @@ public class JavaSensorsConsumerTest {
                         "alignmentFill_at_10(\"need 4 byte alignment\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 10, 1.0, -20.0, 100.0, \"units\"),\n" +
                         "luaTimingMult(\"luaTimingMult\", SensorCategory.SENSOR_INPUTS, FieldType.INT, 12, 1.0, -1.0, -1.0, \"\"),\n" +
                         "vehicleSpeedKph(\"vehicleSpeedKph\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 16, 1.0, -1.0, -1.0, \"\"),\n" +
-                        "alignmentFill_at_17(\"need 4 byte alignment\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 17, 1.0, -20.0, 100.0, \"units\"),\n" +
-                        "internalMcuTemperature(\"mcu\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 20, 1.0, 0.0, 0.0, \"deg C\"),\n" +
-                        "alignmentFill_at_21(\"need 4 byte alignment\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 21, 1.0, -20.0, 100.0, \"units\"),\n",
+                        "internalMcuTemperature(\"mcu\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 17, 1.0, 0.0, 0.0, \"deg C\"),\n" +
+                        "alignmentFill_at_18(\"need 4 byte alignment\", SensorCategory.SENSOR_INPUTS, FieldType.INT8, 18, 1.0, -20.0, 100.0, \"units\"),\n",
                 javaSensorsConsumer.getContent());
-        assertEquals(24, javaSensorsConsumer.sensorTsPosition);
+        assertEquals(20, javaSensorsConsumer.sensorTsPosition);
     }
 
     @Test