diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 9ede658cd..01d749710 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -22,8 +22,12 @@
 -keep,allowoptimization class org.bouncycastle.jcajce.provider.digest.SHA1** { *; }
 -dontwarn javax.naming.**
 
-# Snet extention
+# Snet
 -keepclassmembers class com.topjohnwu.magisk.utils.ISafetyNetHelper { *; }
+-keep,allowobfuscation interface com.topjohnwu.magisk.utils.ISafetyNetHelper$Callback
+-keepclassmembers class * implements com.topjohnwu.magisk.utils.ISafetyNetHelper$Callback {
+  void onResponse(int);
+}
 
 # BootSigner
 -keepclassmembers class com.topjohnwu.signer.BootSigner { *; }