diff --git a/lib/jquery.raty.js b/lib/jquery.raty.js
index e61def04..daa07395 100644
--- a/lib/jquery.raty.js
+++ b/lib/jquery.raty.js
@@ -564,7 +564,7 @@
 
         if (name) {
           var icon = this.opt[name];
-          var star = this.stars[Math.ceil(score) - 1];
+          var star = this.stars[Math.max( Math.ceil(score) - 1,0)];
 
           this._setIcon(star, icon);
         } // Full down: [x.00 .. x.25]
@@ -599,7 +599,7 @@
       // TODO: model spec
       _setTitle: function(score, evt) {
         if (score) {
-          var integer = parseInt(Math.ceil(score), 10);
+          var integer = parseInt(Math.max(Math.ceil(score),0), 10);
           var star    = this.stars[integer - 1];
 
           star.title = this._getHint(score, evt);