diff --git a/etc/menu.conf b/etc/menu.conf
index 0e0ec9df64..01c5e02d99 100644
--- a/etc/menu.conf
+++ b/etc/menu.conf
@@ -61,8 +61,8 @@ P&layback
 		&100%	set video-zoom  0	checked=video_zoom == 0
 		&200%	set video-zoom  1	checked=video_zoom == 1
 	&Aspect ratio
-		&16:9		set video-aspect-override 16:9		checked=math.abs(video_aspect_override - 1.7) < 0.1
-		&4:3		set video-aspect-override 4:3		checked=math.abs(video_aspect_override - 1.3) < 0.1
+		&16:9		set video-aspect-override 16:9		checked=math.abs(video_aspect_override - 16/9) < 1e-12
+		&4:3		set video-aspect-override 4:3		checked=math.abs(video_aspect_override - 4/3) < 1e-12
 		&2.35:1		set video-aspect-override 2.35:1	checked=video_aspect_override == 2.35
 		&Default	set video-aspect-override no		checked=video_aspect_override == -2
 	&Center		no-osd set video-pan-x 0; no-osd set video-pan-y 0; no-osd set video-align-x 0; no-osd set video-align-y 0		disabled=video_pan_x == 0 and video_pan_y == 0 and video_align_x == 0 and video_align_y == 0