diff --git a/app/src/main/java/a/a.java b/app/src/main/java/a/a.java
deleted file mode 100644
index 6cc1df4d4..000000000
--- a/app/src/main/java/a/a.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package a;
-
-import com.topjohnwu.signing.BootSigner;
-
-public class a {
-
-    public static void main(String[] args) throws Exception {
-        BootSigner.main(args);
-    }
-}
diff --git a/app/src/main/java/a/stubs.kt b/app/src/main/java/a/stubs.kt
index b6d5771c6..9ea20cf05 100644
--- a/app/src/main/java/a/stubs.kt
+++ b/app/src/main/java/a/stubs.kt
@@ -1,3 +1,4 @@
+@file:JvmName("a")
 package a
 
 import com.topjohnwu.magisk.ProcessPhoenix
@@ -7,6 +8,11 @@ import com.topjohnwu.magisk.core.SplashActivity
 import com.topjohnwu.magisk.core.download.DownloadService
 import com.topjohnwu.magisk.legacy.surequest.SuRequestActivity
 import com.topjohnwu.magisk.ui.MainActivity
+import com.topjohnwu.signing.BootSigner
+
+fun main(args: Array<String>) {
+    BootSigner.main(args)
+}
 
 class b : MainActivity()