diff --git a/core/gui.py b/core/gui.py
index bf16b28..5095b72 100644
--- a/core/gui.py
+++ b/core/gui.py
@@ -12,6 +12,7 @@ from core.downloading.download import add_magnet
 
 class MainWindow(QtWidgets.QMainWindow, QWidget):
     def __init__(self):
+        global settings_action
         super().__init__()
         searchresults = []
 
diff --git a/main.py b/main.py
index 808b36c..e1b6320 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,9 @@
 from core.gui import run_gui as gui
 from core.gui import MainWindow
+from PySide6.QtGui import QIcon, QAction
 from PySide6 import QtWidgets
+import qdarktheme
+import darkdetect
 import sys
 
 
@@ -9,6 +12,10 @@ import sys
 
 def run_gui():
     app = QtWidgets.QApplication([])
+    if darkdetect.isDark:
+        app.setStyleSheet(qdarktheme.load_stylesheet("dark"))
+    else:
+        app.setStyleSheet(qdarktheme.load_stylesheet("light"))
     widget = MainWindow()
     widget.show()
     sys.exit(app.exec())