diff --git a/app/src/main/java/de/rochefort/childmonitor/AudioCodecDefines.kt b/app/src/main/kotlin/de/rochefort/childmonitor/AudioCodecDefines.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/AudioCodecDefines.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/AudioCodecDefines.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/DiscoverActivity.kt b/app/src/main/kotlin/de/rochefort/childmonitor/DiscoverActivity.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/DiscoverActivity.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/DiscoverActivity.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/ListenActivity.kt b/app/src/main/kotlin/de/rochefort/childmonitor/ListenActivity.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/ListenActivity.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/ListenActivity.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/ListenService.kt b/app/src/main/kotlin/de/rochefort/childmonitor/ListenService.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/ListenService.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/ListenService.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/MonitorActivity.kt b/app/src/main/kotlin/de/rochefort/childmonitor/MonitorActivity.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/MonitorActivity.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/MonitorActivity.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/MonitorService.kt b/app/src/main/kotlin/de/rochefort/childmonitor/MonitorService.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/MonitorService.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/MonitorService.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/StartActivity.kt b/app/src/main/kotlin/de/rochefort/childmonitor/StartActivity.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/StartActivity.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/StartActivity.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/VolumeHistory.kt b/app/src/main/kotlin/de/rochefort/childmonitor/VolumeHistory.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/VolumeHistory.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/VolumeHistory.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/VolumeView.kt b/app/src/main/kotlin/de/rochefort/childmonitor/VolumeView.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/VolumeView.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/VolumeView.kt
diff --git a/app/src/main/java/de/rochefort/childmonitor/audio/G711UCodec.kt b/app/src/main/kotlin/de/rochefort/childmonitor/audio/G711UCodec.kt
similarity index 100%
rename from app/src/main/java/de/rochefort/childmonitor/audio/G711UCodec.kt
rename to app/src/main/kotlin/de/rochefort/childmonitor/audio/G711UCodec.kt