diff --git a/js/jquery.knob.js b/js/jquery.knob.js
index 5294ffa..8bae662 100644
--- a/js/jquery.knob.js
+++ b/js/jquery.knob.js
@@ -297,7 +297,7 @@
             }
 
             return this;
-        }
+        };
 
         this._draw = function () {
 
@@ -472,7 +472,7 @@
         // Utils
         this.h2rgba = function (h, a) {
             var rgb;
-            h = h.substring(1,7)
+            h = h.substring(1,7);
             rgb = [
                 parseInt(h.substring(0,2), 16),
                 parseInt(h.substring(2,4), 16),
@@ -669,7 +669,7 @@
                 );
 
             this.$c.bind("mousewheel DOMMouseScroll", mw);
-            this.$.bind("mousewheel DOMMouseScroll", mw)
+            this.$.bind("mousewheel DOMMouseScroll", mw);
         };
 
         this.init = function () {