diff --git a/java_tools/ConfigDefinition.jar b/java_tools/ConfigDefinition.jar
index 13e942837e..1147ba6d80 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/ConfigDefinition.java b/java_tools/configuration_definition/src/main/java/com/rusefi/ConfigDefinition.java
index 7d4019a710..d1c9dc39a9 100644
--- a/java_tools/configuration_definition/src/main/java/com/rusefi/ConfigDefinition.java
+++ b/java_tools/configuration_definition/src/main/java/com/rusefi/ConfigDefinition.java
@@ -136,7 +136,7 @@ public class ConfigDefinition {
                     String keyName = args[i + 1];
                     // yes, we take three parameters here thus pre-increment!
                     String fileName = args[++i + 1];
-                    state.variableRegistry.register(keyName, IoUtil.readFile(fileName));
+                    state.variableRegistry.register(keyName, IoUtil2.readFile(fileName));
                     inputFiles.add(fileName);
                 case KEY_FIRING:
                     firingEnumFileName = args[i + 1];
@@ -198,7 +198,7 @@ public class ConfigDefinition {
 
         ParseState parseState = new ParseState(state.enumsReader);
         // Add the variable for the config signature
-        long crc32 = IoUtil.signatureHash(state, parseState, tsInputFileFolder, inputFiles);
+        long crc32 = IoUtil2.signatureHash(state, parseState, tsInputFileFolder, inputFiles);
 
         ExtraUtil.handleFiringOrder(firingEnumFileName, state.variableRegistry, parseState);
 
diff --git a/java_tools/configuration_definition/src/main/java/com/rusefi/IoUtil.java b/java_tools/configuration_definition/src/main/java/com/rusefi/IoUtil2.java
similarity index 99%
rename from java_tools/configuration_definition/src/main/java/com/rusefi/IoUtil.java
rename to java_tools/configuration_definition/src/main/java/com/rusefi/IoUtil2.java
index 45ae57f45a..dfc98042e6 100644
--- a/java_tools/configuration_definition/src/main/java/com/rusefi/IoUtil.java
+++ b/java_tools/configuration_definition/src/main/java/com/rusefi/IoUtil2.java
@@ -12,7 +12,7 @@ import java.nio.file.Files;
 import java.util.List;
 import java.util.zip.CRC32;
 
-public class IoUtil {
+public class IoUtil2 {
     static String readFile(String fileName) {
         String line;
         StringBuilder stringBuilder = new StringBuilder();