diff --git a/sioyek/prefs_user.config b/sioyek/prefs_user.config
index bb19f4e..330815e 100644
--- a/sioyek/prefs_user.config
+++ b/sioyek/prefs_user.config
@@ -1,4 +1,8 @@
+# required in Wayland/Sway:
+# env QT_QPA_PLATFORM=xcb
+# should_launch_new_instance 1
 should_launch_new_window 1
+should_launch_new_instance 1
 startup_commands toggle_visual_scroll;toggle_custom_color
 
 # - dracula: https://github.com/dracula/sioyek