diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 3ed0dd0302..e1af853833 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -44,7 +44,6 @@
 ! all the sub-structures are going to be nested within the primary structure, that's
 ! needed to get a proper TunerStudio file
 
-
 struct persistent_config_s 
 
 struct_no_prefix engine_configuration_s
diff --git a/java_tools/ConfigDefinition.jar b/java_tools/ConfigDefinition.jar
index 8a839018d1..5563da07d4 100644
Binary files a/java_tools/ConfigDefinition.jar and b/java_tools/ConfigDefinition.jar differ
diff --git a/java_tools/configuration_definition/src/com/rusefi/ConfigStructure.java b/java_tools/configuration_definition/src/com/rusefi/ConfigStructure.java
index cf86eb5fbe..9cb7a45b47 100644
--- a/java_tools/configuration_definition/src/com/rusefi/ConfigStructure.java
+++ b/java_tools/configuration_definition/src/com/rusefi/ConfigStructure.java
@@ -25,7 +25,7 @@ public class ConfigStructure {
     public final List<ConfigField> cFields = new ArrayList<>();
     public final List<ConfigField> tsFields = new ArrayList<>();
 
-    public int totalSize;
+    private int totalSize;
 
     public final BitState readingBitState = new BitState();
 
@@ -97,4 +97,8 @@ public class ConfigStructure {
         }
         readingBitState.reset();
     }
+
+    public int getTotalSize() {
+        return totalSize;
+    }
 }
diff --git a/java_tools/configuration_definition/src/com/rusefi/TypesHelper.java b/java_tools/configuration_definition/src/com/rusefi/TypesHelper.java
index f10fe2d16e..2425f12c9a 100644
--- a/java_tools/configuration_definition/src/com/rusefi/TypesHelper.java
+++ b/java_tools/configuration_definition/src/com/rusefi/TypesHelper.java
@@ -21,7 +21,7 @@ public class TypesHelper {
         if (type == null)
             return 0;
         if (state != null && state.structures.containsKey(type))
-            return state.structures.get(type).totalSize;
+            return state.structures.get(type).getTotalSize();
         if (state != null && state.tsCustomSize.containsKey(type))
             return state.tsCustomSize.get(type);
         Integer primitiveSize = getPrimitiveSize(type);
diff --git a/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java b/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java
index ec012fbc53..6477a855f1 100644
--- a/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java
+++ b/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java
@@ -210,6 +210,7 @@ public class TSProjectConsumer implements ConfigurationConsumer {
 
     @Override
     public void handleEndStruct(ConfigStructure structure) throws IOException {
+        VariableRegistry.INSTANCE.register(structure.name + "_size", structure.getTotalSize());
         if (state.stack.isEmpty()) {
             totalTsSize = writeTunerStudio(structure, "", tsWriter, 0);
             tsWriter.write("; total TS size = " + totalTsSize + EOL);