diff --git a/java_console/ui/src/main/java/com/rusefi/maintenance/OpenbltJni.java b/java_console/ui/src/main/java/com/rusefi/maintenance/OpenbltJni.java
index 6d4a66a348..179692b064 100644
--- a/java_console/ui/src/main/java/com/rusefi/maintenance/OpenbltJni.java
+++ b/java_console/ui/src/main/java/com/rusefi/maintenance/OpenbltJni.java
@@ -1,13 +1,17 @@
 package com.rusefi.maintenance;
 
 public final class OpenbltJni {
-    interface OpenbltCallbacks
+    public interface OpenbltCallbacks
     {
         void log(String line);
         void updateProgress(int percent);
         void error(String line);
     }
 
+    static {
+        System.loadLibrary("openblt_jni");
+    }
+
     public static native void loadFirmware(String filename, OpenbltCallbacks callbacks);
     public static native void sessionStart(String serialPort, OpenbltCallbacks callbacks);
     public static native void erase(OpenbltCallbacks callbacks);