diff --git a/gotify_tray/gui/MainApplication.py b/gotify_tray/gui/MainApplication.py
index 52030fb..ffdb6dd 100644
--- a/gotify_tray/gui/MainApplication.py
+++ b/gotify_tray/gui/MainApplication.py
@@ -426,6 +426,7 @@ def start_gui():
     app.setApplicationName(title)
     app.setQuitOnLastWindowClosed(False)
     app.setWindowIcon(QtGui.QIcon(get_icon("gotify-small")))
+    app.setStyle("fusion")
 
     init_logger(logger)
 
diff --git a/gotify_tray/gui/themes/__init__.py b/gotify_tray/gui/themes/__init__.py
index 36463af..822b575 100644
--- a/gotify_tray/gui/themes/__init__.py
+++ b/gotify_tray/gui/themes/__init__.py
@@ -16,9 +16,7 @@ styles = {
 }
 
 
-def set_theme(app: QtWidgets.QApplication, style: str = "default"):
-    app.setStyle("fusion")
-    
+def set_theme(app: QtWidgets.QApplication, style: str = "default"):    
     if style not in styles.keys():
         logger.error(f"set_style: style {style} is unsupported.")
         return