diff --git a/app/qt/app.py b/app/qt/app.py
index b5dd42d..84bf2a5 100644
--- a/app/qt/app.py
+++ b/app/qt/app.py
@@ -51,5 +51,11 @@ def run() -> int:
         defaults=DEFAULTS.copy(),
         reset_exclusions=RESET_EXCLUSIONS_ON_IMAGE_CHANGE,
     )
-    window.showMaximized()
+    primary_screen = app.primaryScreen()
+    if primary_screen is not None:
+        geometry = primary_screen.availableGeometry()
+        window.setGeometry(geometry)
+        window.showMaximized()
+    else:
+        window.showMaximized()
     return app.exec()