diff --git a/source/UI/js/Form/Range.js b/source/UI/js/Form/Range.js
index 168e0419..e1f3e9ef 100644
--- a/source/UI/js/Form/Range.js
+++ b/source/UI/js/Form/Range.js
@@ -53,6 +53,9 @@ Ox.Range = function(options, self) {
         })
         .options(options || {})
         .update({
+            max: setSizes,
+            min: setSizes,
+            step: setSizes,
             size: setSizes,
             trackColors: setTrackColors,
             value: setThumb
@@ -76,9 +79,6 @@ Ox.Range = function(options, self) {
 
     self.trackColors = self.options.trackColors.length;
     self.trackImages = self.options.trackImages.length;
-    self.values = (
-        self.options.max - self.options.min + self.options.step
-    ) / self.options.step;
 
     setSizes();
 
@@ -219,6 +219,9 @@ Ox.Range = function(options, self) {
     }
 
     function setSizes() {
+        self.values = (
+            self.options.max - self.options.min + self.options.step
+        ) / self.options.step;
         self.trackSize = self.options.size - self.options.arrows * 32;
         self.thumbSize = Math.max(self.trackSize / self.values, self.options.thumbSize);
         self.trackImageWidths = self.trackImages == 1