diff --git a/android/src/org/notify/FreeKill/Helper.java b/android/src/org/notify/FreeKill/Helper.java
index d084f4b4..335d83a9 100644
--- a/android/src/org/notify/FreeKill/Helper.java
+++ b/android/src/org/notify/FreeKill/Helper.java
@@ -2,6 +2,7 @@
 
 package org.notify.FreeKill;
 
+import android.provider.Settings;
 import android.app.Activity;
 import android.view.View;
 import android.view.WindowManager;
@@ -43,4 +44,12 @@ public class Helper {
       }
     });
   }
+
+  public static String GetSerial() {
+    Activity activity = QtNative.activity();
+    return Settings.Secure.getString(
+      activity.getContentResolver(),
+      Settings.Secure.ANDROID_ID
+    );
+  }
 }
diff --git a/src/core/util.cpp b/src/core/util.cpp
index d4e7a1c9..c93eb496 100644
--- a/src/core/util.cpp
+++ b/src/core/util.cpp
@@ -205,7 +205,12 @@ QJsonDocument String2Json(const QString &str) {
 }
 
 QString GetDeviceUuid() {
+#ifdef Q_OS_ANDROID
+  QJniObject string = QJniObject::callStaticObjectMethod("org/notify/FreeKill/Helper", "GetSerial", "()Ljava/lang/String;");
+  return string.toString();
+#else
   return QSysInfo::machineUniqueId();
+#endif
 }
 
 QString Color(const QString &raw, fkShell::TextColor color,