1 files changed, 1 insertions, 1 deletions
diff --git a/morphic.js b/morphic.js
index 0115c82..b9d834f 100644
--- a/morphic.js
+++ b/morphic.js
@@ -5760,7 +5760,7 @@ SliderMorph.prototype.rangeSize = function () {
 };
 
 SliderMorph.prototype.ratio = function () {
-    return this.size / this.rangeSize();
+    return this.size / (this.rangeSize() + 1);
 };
 
 SliderMorph.prototype.unitSize = function () {