diff --git a/src/gui/__init__.py b/src/gui/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/mainwindow.py b/src/gui/mainwindow.py
similarity index 100%
rename from src/mainwindow.py
rename to src/gui/mainwindow.py
diff --git a/src/mainwindow.ui b/src/gui/mainwindow.ui
similarity index 100%
rename from src/mainwindow.ui
rename to src/gui/mainwindow.ui
diff --git a/src/presetmanager.py b/src/gui/presetmanager.py
similarity index 100%
rename from src/presetmanager.py
rename to src/gui/presetmanager.py
diff --git a/src/presetmanager.ui b/src/gui/presetmanager.ui
similarity index 100%
rename from src/presetmanager.ui
rename to src/gui/presetmanager.ui
diff --git a/src/preview_thread.py b/src/gui/preview_thread.py
similarity index 100%
rename from src/preview_thread.py
rename to src/gui/preview_thread.py
diff --git a/src/preview_win.py b/src/gui/preview_win.py
similarity index 100%
rename from src/preview_win.py
rename to src/gui/preview_win.py