diff --git a/demo/src/main/java/com/michaelflisar/lumberjack/demo/App.kt b/demo/src/main/java/com/michaelflisar/lumberjack/demo/App.kt
index 175b26e..c944a11 100644
--- a/demo/src/main/java/com/michaelflisar/lumberjack/demo/App.kt
+++ b/demo/src/main/java/com/michaelflisar/lumberjack/demo/App.kt
@@ -1,8 +1,7 @@
 package com.michaelflisar.lumberjack.demo
 
 import android.app.Application
-import com.michaelflisar.lumberjack.FileLoggingSetup
-import com.michaelflisar.lumberjack.FileLoggingTree
+import android.util.Log
 import com.michaelflisar.lumberjack.L
 import timber.log.ConsoleTree
 
@@ -18,6 +17,9 @@ class App : Application() {
         L.enabled = BuildConfig.DEBUG
 
         // we can filter out logs based on caller class names like following e.g.:
-        // L.packageNameFilter = { packageName -> !packageName.startsWith(MainActivity::class.java.name) }
+//        L.packageNameFilter = {
+//            Log.d("PACKAGE_NAME_FILTER", "packageName = $it")
+//             !it.startsWith(MainActivity::class.java.name)
+//        }
     }
 }
\ No newline at end of file
diff --git a/library-java-wrapper/src/main/java/com/michaelflisar/lumberjack/L2.kt b/library-java-wrapper/src/main/java/com/michaelflisar/lumberjack/L2.kt
index b0fb74a..7799462 100644
--- a/library-java-wrapper/src/main/java/com/michaelflisar/lumberjack/L2.kt
+++ b/library-java-wrapper/src/main/java/com/michaelflisar/lumberjack/L2.kt
@@ -115,7 +115,7 @@ object L2 {
     fun log(logBlock: () -> Unit) {
         if (L.enabled && Timber.treeCount() > 0) {
             L.callStackCorrection(4)
-            if (L.packageNameFilter?.let { it.invoke(StackData.create(0).className) } != false)
+            if (L.packageNameFilter?.let { it.invoke(StackData.create(null, 0).className) } != false)
                 logBlock()
         }
     }