diff --git a/java_tools/configuration_definition/src/main/java/com/rusefi/output/SignatureConsumer.java b/java_tools/configuration_definition/src/main/java/com/rusefi/output/SignatureConsumer.java
index 2b1048789e..22d6c1d650 100644
--- a/java_tools/configuration_definition/src/main/java/com/rusefi/output/SignatureConsumer.java
+++ b/java_tools/configuration_definition/src/main/java/com/rusefi/output/SignatureConsumer.java
@@ -32,6 +32,6 @@ public class SignatureConsumer implements ConfigurationConsumer {
 
     @Override
     public void handleEndStruct(ReaderState readerState, ConfigStructure structure) throws IOException {
-        CHeaderConsumer.writeDefinesToFile(registry, destHeader, "by SignatureConsumer");
+      CHeaderConsumer.writeDefinesToFile(registry, ConfigDefinitionRootOutputFolder.getValue() + destHeader, "by SignatureConsumer");
     }
 }
diff --git a/java_tools/configuration_definition_base/src/main/java/com/rusefi/ConfigDefinitionRootOutputFolder.java b/java_tools/configuration_definition_base/src/main/java/com/rusefi/ConfigDefinitionRootOutputFolder.java
new file mode 100644
index 0000000000..17db37c88e
--- /dev/null
+++ b/java_tools/configuration_definition_base/src/main/java/com/rusefi/ConfigDefinitionRootOutputFolder.java
@@ -0,0 +1,14 @@
+package com.rusefi;
+
+public class ConfigDefinitionRootOutputFolder {
+  private static final String KEY = "META_OUTPUT_ROOT_FOLDER";
+  private static final String OUTPUT_ROOT = System.getProperty(KEY, "");
+
+  static {
+    System.out.println(KEY + "=" + OUTPUT_ROOT);
+  }
+
+  public static String getValue() {
+    return OUTPUT_ROOT;
+  }
+}
diff --git a/java_tools/configuration_definition_base/src/main/java/com/rusefi/ReaderStateImpl.java b/java_tools/configuration_definition_base/src/main/java/com/rusefi/ReaderStateImpl.java
index 4bb42bd76d..af92bef473 100644
--- a/java_tools/configuration_definition_base/src/main/java/com/rusefi/ReaderStateImpl.java
+++ b/java_tools/configuration_definition_base/src/main/java/com/rusefi/ReaderStateImpl.java
@@ -118,7 +118,7 @@ public class ReaderStateImpl implements ReaderState {
         readBufferedReader(definitionReader, destinations);
 
         if (destCDefinesFileName != null) {
-            CHeaderConsumer.writeDefinesToFile(getVariableRegistry(), destCDefinesFileName, definitionInputFile);
+            CHeaderConsumer.writeDefinesToFile(getVariableRegistry(), ConfigDefinitionRootOutputFolder.getValue() + destCDefinesFileName, definitionInputFile);
         }
     }