Fixes #93. It was because the scope was not applied when the 2 values were the same.

bower.json

 {
   "name": "angularjs-slider",
-  "version": "0.1.22",
+  "version": "0.1.23",
   "homepage": "https://github.com/rzajac/angularjs-slider",
   "authors": [
     "Rafal Zajac <rzajac@gmail.com>",

dist/rzslider.min.css

-/*! jusas-angularjs-slider - v0.1.22 - (c) Rafal Zajac <rzajac@gmail.com>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com>, https://github.com/rzajac/angularjs-slider.git - 2015-07-28 */
+/*! jusas-angularjs-slider - v0.1.23 - (c) Rafal Zajac <rzajac@gmail.com>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com>, https://github.com/rzajac/angularjs-slider.git - 2015-07-28 */
 rzslider{position:relative;display:inline-block;width:100%;height:4px;margin:30px 0 15px 0;vertical-align:middle}rzslider span{position:absolute;display:inline-block;white-space:nowrap}rzslider span.rz-base{width:100%;height:100%;padding:0}rzslider span.rz-bar-wrapper{width:100%;height:32px;padding-top:16px;margin-top:-16px;box-sizing:border-box}rzslider span.rz-bar{z-index:0;width:100%;height:4px;background:#d8e0f3;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px}rzslider span.rz-bar.rz-selection{z-index:1;width:0;background:#0db9f0;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px}rzslider span.rz-pointer{top:-14px;z-index:2;width:32px;height:32px;cursor:pointer;background-color:#0db9f0;-webkit-border-radius:16px;-moz-border-radius:16px;border-radius:16px}rzslider span.rz-pointer:after{position:absolute;top:12px;left:12px;width:8px;height:8px;background:#fff;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;content:''}rzslider span.rz-pointer:hover:after{background-color:#fff}rzslider span.rz-pointer.rz-active:after{background-color:#451aff}rzslider span.rz-bubble{top:-32px;padding:1px 3px;color:#55637d;cursor:default}rzslider span.rz-bubble.rz-selection{top:16px}rzslider span.rz-bubble.rz-limit{color:#55637d}
\ No newline at end of file

package.json

 {
   "name": "jusas-angularjs-slider",
-  "version": "0.1.22",
+  "version": "0.1.23",
   "description": "AngularJS slider directive with no external dependencies. Mobile friendly!.",
   "main": "rzslider.js",
   "repository": {

rzslider.js

@@ -960,6 +960,8 @@ function throttle(func, wait, options) {
           this.tracking = 'rzSliderHigh';
           this.minH.removeClass('rz-active');
           this.maxH.addClass('rz-active');
+           /* We need to apply here because we are not sure that we will enter the next block */
+          this.scope.$apply();
         }
         else if(this.tracking === 'rzSliderHigh' && newValue <= this.scope.rzSliderModel)
         {
@@ -968,6 +970,8 @@ function throttle(func, wait, options) {
           this.tracking = 'rzSliderModel';
           this.maxH.removeClass('rz-active');
           this.minH.addClass('rz-active');
+           /* We need to apply here because we are not sure that we will enter the next block */
+          this.scope.$apply();
         }
       }