diff --git a/app/src/main/java/com/amaze/filemanager/filesystem/files/FileListSorter.java b/app/src/main/java/com/amaze/filemanager/filesystem/files/FileListSorter.kt
similarity index 100%
rename from app/src/main/java/com/amaze/filemanager/filesystem/files/FileListSorter.java
rename to app/src/main/java/com/amaze/filemanager/filesystem/files/FileListSorter.kt
diff --git a/app/src/test/java/com/amaze/filemanager/filesystem/files/FileListSorterTest.java b/app/src/test/java/com/amaze/filemanager/filesystem/files/FileListSorterTest.kt
similarity index 100%
rename from app/src/test/java/com/amaze/filemanager/filesystem/files/FileListSorterTest.java
rename to app/src/test/java/com/amaze/filemanager/filesystem/files/FileListSorterTest.kt