diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 38d93379d..6b8133276 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -20,6 +20,9 @@
 -keep,allowoptimization class eu.kanade.tachiyomi.network.RequestsKt { public protected *; }
 -keep,allowoptimization class eu.kanade.tachiyomi.AppInfo { public protected *; }
 
+# Debug functions
+-keep,allowoptimization class exh.debug.DebugFunctions { public *; }
+
 ##---------------Begin: proguard configuration for RxJava 1.x  ----------
 -dontwarn sun.misc.**