diff --git a/android/app/build.gradle b/android/app/build.gradle
index 2011198..3f90628 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -23,7 +23,7 @@ if (flutterVersionName == null) {
 }
 
 android {
-    namespace "de.jusax.learn.ju_learn"
+    namespace "de.jusax.learn"
     compileSdkVersion flutter.compileSdkVersion
     ndkVersion flutter.ndkVersion
 
@@ -42,7 +42,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "de.jusax.learn.ju_learn"
+        applicationId "de.jusax.learn"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
         minSdkVersion flutter.minSdkVersion
diff --git a/android/app/src/main/kotlin/de/jusax/learn/ju_learn/MainActivity.kt b/android/app/src/main/kotlin/de/jusax/learn/MainActivity.kt
similarity index 75%
rename from android/app/src/main/kotlin/de/jusax/learn/ju_learn/MainActivity.kt
rename to android/app/src/main/kotlin/de/jusax/learn/MainActivity.kt
index 362a2cc..8298d5c 100644
--- a/android/app/src/main/kotlin/de/jusax/learn/ju_learn/MainActivity.kt
+++ b/android/app/src/main/kotlin/de/jusax/learn/MainActivity.kt
@@ -1,4 +1,4 @@
-package de.jusax.learn.ju_learn
+package de.jusax.learn
 
 import io.flutter.embedding.android.FlutterActivity