diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 9d0af4f4ecd9b78eb68339ba7fc0d214b6005790..88a5604d10dcde1641b3ddb52a41426c6621794a 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -28,7 +28,10 @@
 -dontobfuscate
 
 # Keep our invokers
--keep class * implements de.kuschku.libquassel.quassel.syncables.invoker.Invoker {
+-keep class * implements de.kuschku.libquassel.quassel.syncables.interfaces.invokers.Invoker {
+    static ** INSTANCE;
+}
+-keep class * implements de.kuschku.libquassel.quassel.syncables.interfaces.invokers.InvokerRegistry {
     static ** INSTANCE;
 }