diff --git a/android/app/jni/com_android_bluetooth_gatt.cpp b/android/app/jni/com_android_bluetooth_gatt.cpp
index 03517fc..d553e79 100644
--- a/android/app/jni/com_android_bluetooth_gatt.cpp
+++ b/android/app/jni/com_android_bluetooth_gatt.cpp
@@ -1714,7 +1714,7 @@
 
     curr.company_mask = env->GetIntField(current.get(), companyMaskFid);
 
-    curr.ad_type = env->GetByteField(current.get(), adTypeFid);
+    curr.ad_type = env->GetIntField(current.get(), adTypeFid);
 
     ScopedLocalRef<jbyteArray> data(
         env, (jbyteArray)env->GetObjectField(current.get(), dataFid));