diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31e690b..9043215 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,17 +36,17 @@ find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS I18n)
 
 add_executable(Redai)
 target_sources(Redai PRIVATE
-        src/ArtConfigWindow.cpp
-        src/ArtConfigWindow.h
-        src/ArtDetailWindow.cpp
-        src/ArtDetailWindow.h
-        src/ArtModel.cpp
-        src/ArtModel.h
+        src/artconfigwindow.cpp
+        src/artconfigwindow.h
+        src/artdetailwindow.cpp
+        src/artdetailwindow.h
+        src/artmodel.cpp
+        src/artmodel.h
         src/imagelabel.cpp
         src/imagelabel.h
         src/main.cpp
-        src/MainWindow.cpp
-        src/MainWindow.h)
+        src/mainwindow.cpp
+        src/mainwindow.h)
 target_link_libraries(Redai
     Qt5::Core
     Qt5::Gui
diff --git a/src/ArtConfigWindow.cpp b/src/artconfigwindow.cpp
similarity index 98%
rename from src/ArtConfigWindow.cpp
rename to src/artconfigwindow.cpp
index 8018f10..6e8263b 100644
--- a/src/ArtConfigWindow.cpp
+++ b/src/artconfigwindow.cpp
@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "ArtConfigWindow.h"
+#include "artconfigwindow.h"
 
 #include <KLocalizedString>
 #include <QFile>
diff --git a/src/ArtConfigWindow.h b/src/artconfigwindow.h
similarity index 100%
rename from src/ArtConfigWindow.h
rename to src/artconfigwindow.h
diff --git a/src/ArtDetailWindow.cpp b/src/artdetailwindow.cpp
similarity index 99%
rename from src/ArtDetailWindow.cpp
rename to src/artdetailwindow.cpp
index c8628aa..67d6a5a 100644
--- a/src/ArtDetailWindow.cpp
+++ b/src/artdetailwindow.cpp
@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "ArtDetailWindow.h"
+#include "artdetailwindow.h"
 #include "imagelabel.h"
 
 #include <KLocalizedString>
diff --git a/src/ArtDetailWindow.h b/src/artdetailwindow.h
similarity index 100%
rename from src/ArtDetailWindow.h
rename to src/artdetailwindow.h
diff --git a/src/ArtModel.cpp b/src/artmodel.cpp
similarity index 99%
rename from src/ArtModel.cpp
rename to src/artmodel.cpp
index 4d6fd5d..a67b227 100644
--- a/src/ArtModel.cpp
+++ b/src/artmodel.cpp
@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "ArtModel.h"
+#include "artmodel.h"
 
 #include <KLocalizedString>
 #include <QDirIterator>
diff --git a/src/ArtModel.h b/src/artmodel.h
similarity index 100%
rename from src/ArtModel.h
rename to src/artmodel.h
diff --git a/src/main.cpp b/src/main.cpp
index c2ddd19..59cfea1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,7 +7,7 @@
 #include <QCommandLineParser>
 #include <QDir>
 
-#include "MainWindow.h"
+#include "mainwindow.h"
 
 int main(int argc, char *argv[])
 {
diff --git a/src/MainWindow.cpp b/src/mainwindow.cpp
similarity index 94%
rename from src/MainWindow.cpp
rename to src/mainwindow.cpp
index 7183f1d..55f2c50 100644
--- a/src/MainWindow.cpp
+++ b/src/mainwindow.cpp
@@ -2,16 +2,16 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "MainWindow.h"
+#include "mainwindow.h"
 
 #include <KLocalizedString>
 #include <QHeaderView>
 #include <QMenuBar>
 #include <QTableView>
 
-#include "ArtConfigWindow.h"
-#include "ArtDetailWindow.h"
-#include "ArtModel.h"
+#include "artconfigwindow.h"
+#include "artdetailwindow.h"
+#include "artmodel.h"
 
 MainWindow::MainWindow(const QDir &definitionDirectory, const QDir &assetDirectory, const QDir &dataDirectory, QWidget *parent)
     : QMainWindow(parent)
diff --git a/src/MainWindow.h b/src/mainwindow.h
similarity index 100%
rename from src/MainWindow.h
rename to src/mainwindow.h