diff --git a/mpv/.config/mpv/mpv.conf b/mpv/.config/mpv/mpv.conf
index 67ba85d..36e3f11 100644
--- a/mpv/.config/mpv/mpv.conf
+++ b/mpv/.config/mpv/mpv.conf
@@ -47,3 +47,6 @@ sub-blur=10
 
 # Start in fullscreen by default
 fullscreen=yes
+
+# Don't allow new windows to have a size larger than 90% of the screen size
+autofit-larger=90%x90%