diff --git a/service/src/com/android/server/BpfNetMaps.java b/service/src/com/android/server/BpfNetMaps.java
index bc63eef..a6909c0 100644
--- a/service/src/com/android/server/BpfNetMaps.java
+++ b/service/src/com/android/server/BpfNetMaps.java
@@ -28,6 +28,11 @@
 public class BpfNetMaps {
     private static final String TAG = "BpfNetMaps";
 
+    static {
+        System.loadLibrary("traffic_controller_jni");
+        native_init();
+    }
+
    /**
     * Add naughty app bandwidth rule for specific app
     *
@@ -239,6 +244,7 @@
         return -err;
     }
 
+    private static native void native_init();
     private native int native_addNaughtyApp(int uid);
     private native int native_removeNaughtyApp(int uid);
     private native int native_addNiceApp(int uid);