diff --git a/ui/slider.go b/ui/slider.go
index 1c9c66f..f180a68 100644
--- a/ui/slider.go
+++ b/ui/slider.go
@@ -90,7 +90,10 @@ func (s *Slider) Arrange(ctx Context, bounds geom.RectangleF32, offset geom.Poin
 	start, length, center := s.offsets()
 	w := s.handleWidth
 	w05 := .5 * w
-	handleOffset := (s.Value - s.Minimum) / (s.Maximum - s.Minimum)
+	var handleOffset float32
+	if s.Maximum > s.Minimum {
+		handleOffset = (s.Value - s.Minimum) / (s.Maximum - s.Minimum)
+	}
 	if !geom.IsNaN32(handleOffset) {
 		start += handleOffset * length
 	}