diff --git a/jni/com_android_bluetooth_btservice_AdapterService.cpp b/jni/com_android_bluetooth_btservice_AdapterService.cpp
index 097aeed..bd5ea5a 100755
--- a/jni/com_android_bluetooth_btservice_AdapterService.cpp
+++ b/jni/com_android_bluetooth_btservice_AdapterService.cpp
@@ -248,7 +248,7 @@
 
     addr = callbackEnv->NewByteArray(sizeof(bt_bdaddr_t));
     if (addr == NULL) goto Fail;
-    callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdname_t), (jbyte*)bd_addr);
+    callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte*)bd_addr);
 
     devname = callbackEnv->NewByteArray(sizeof(bt_bdname_t));
     if (devname == NULL) goto Fail;